OpenTechnical

OT-2026-000056243

Publication integrity record

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

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-2026-000056243) never changes.

Identity and time

Publication numberOT-2026-000056243 · never reused
Internal UUID01a0ae87-4bd1-797a-89dc-1705c7a8432c · 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-2026-000056243
StatusPUBLIC

Content hashes

Canonical text32ce3414c243b2843c5fc4ff0820fd82bd62ecdb37d884a5efc26a54cffa5307
Markdown84f0ae51abdff1d6a636205795dcdd481921a09a4504a5e9f1b35e4354e9ee42
PDF
Publication page418691faa45325262e8e7fdaf470b36f6c4e943313f0cc4c967ec159cffdb543
Manifest586b4ef970ace9cc95fe91392fde1db9df97949468b32e6aa0db0e9b97530fe7

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
SignaturewAt3+T3pmORt5EOnrCgGj+LNW82xg2RvKGaJ8/V3y53JVKj3UY2HtVp2q3EqpHBcTTQFp+ZOv5/UuJlLdNzIBw==
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

2026-09-17T10:50:43.391586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056243
observed 418691faa45325262e8e7fdaf470b36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.373479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056243/manifest.json
observed 586b4ef970ace9cc95fe91392fde1db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.355429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056243/publication.md
observed 84f0ae51abdff1d6a636205795dcdd48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.337309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056243/publication.txt
observed 32ce3414c243b2843c5fc4ff0820fd82...
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

Custody packagePending Custody packages are produced weekly.