OpenTechnical

OT-2026-000054096

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000054096) never changes.

Identity and time

Publication numberOT-2026-000054096 · never reused
Internal UUID01a0ae85-b3a8-759e-8858-94cde2de9213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054096
StatusPUBLIC

Content hashes

Canonical textc1a1f382ec89d7ddaf5fbd063c984f9e2ae85ae6dc4606caa797aa574ce560c0
Markdownfa1a7999b81054a13aaee2a92e9dd58b9ceb19cd1d99cd1357189ddad9cccc21
PDF
Publication pagec32e45ecd607b09dfe33bdb286216074beadd2b2c80e22a349d66e8cfa9756fd
Manifest1ed27c96128637f27c3b96c87fce9937080e384174a0430c4be5111d39f922c3

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
SignatureijQEIQ0Bqo/YncfBwzHF7QS/kMGQZTWP1UfEYCuLIDR6Jvpib5Ay3YI+HKzzR5yJSYqGlAMjb9XJAlyq2mEIBQ==
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

2026-10-28T08:41:03.968347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096
observed c32e45ecd607b09dfe33bdb286216074...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T08:41:03.886375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/manifest.json
observed 1ed27c96128637f27c3b96c87fce9937...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T08:41:03.777733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/publication.md
observed fa1a7999b81054a13aaee2a92e9dd58b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-28T08:41:03.669770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/publication.txt
observed c1a1f382ec89d7ddaf5fbd063c984f9e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T20:41:33.319195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096
observed c32e45ecd607b09dfe33bdb286216074...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T20:41:33.255805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/manifest.json
observed 1ed27c96128637f27c3b96c87fce9937...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T20:41:33.187840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/publication.md
observed fa1a7999b81054a13aaee2a92e9dd58b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T20:41:33.099089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054096/publication.txt
observed c1a1f382ec89d7ddaf5fbd063c984f9e...
fetched by grabo-systems from 34.44.131.203, 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