OpenTechnical

OT-2026-000056391

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056391) never changes.

Identity and time

Publication numberOT-2026-000056391 · never reused
Internal UUID01a0ae87-4bd2-7033-9b5f-0ca87177bb59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056391
StatusPUBLIC

Content hashes

Canonical text0bac340847b263e84fa54a7d3f5982e865a9ec092e2e3b8924223c6e6a29733a
Markdowne62c03edb73b0fb1b9c678fdd65af630d21dcb27b9bdd3e37567fad778c0839b
PDF
Publication page25f09f1bdc855e04e9162563936a2e3d9804697108a6798a729116be66876440
Manifest3c3bc9a3c4e02010f03257795fe1a9afae6a561efad72e4139884d10d01c3c63

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVdeE99PVj6FzSoX57LhPaolIRaJ7ATsCj3kAMPUF54e2e3X3zn/XCjP6DR1zjxc1bPe60yyJtK9WL6fUHWopBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-10-04T08:41:06.512891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391
observed 25f09f1bdc855e04e9162563936a2e3d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T08:41:06.439121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/manifest.json
observed 3c3bc9a3c4e02010f03257795fe1a9af...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T08:41:06.366772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/publication.md
observed e62c03edb73b0fb1b9c678fdd65af630...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-04T08:41:06.293341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/publication.txt
observed 0bac340847b263e84fa54a7d3f5982e8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.068210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391
observed 25f09f1bdc855e04e9162563936a2e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.048994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/manifest.json
observed 3c3bc9a3c4e02010f03257795fe1a9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.030943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/publication.md
observed e62c03edb73b0fb1b9c678fdd65af630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.011834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056391/publication.txt
observed 0bac340847b263e84fa54a7d3f5982e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent