OpenTechnical

OT-2026-000076326

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076326) never changes.

Identity and time

Publication numberOT-2026-000076326 · never reused
Internal UUID01a0ae94-6a70-7b57-9649-0aeb57e92c42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076326
StatusPUBLIC

Content hashes

Canonical text71d6ac92d36fe99983c52001e32771a49e8e4384e5ae31432f9cd3fd2b7b255d
Markdown8be45d6898d625b2b5b73677861412067cf51d9cc4fed0aee7eca6e99667ee6d
PDF
Publication pagefa56ebb5ef597810f9fed9bee32e5916a65b3cb128f0daf77a78e20c7376dbcb
Manifest3bd8ef6736ccd806caf0aa6b3c93ecabf8b761ea4496ad5931af5e89a51ea9d2

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
SignaturemexFv/vkc/+OpdgZm7bMoWe7ihxtRKofGSp5hwGQf2DsXt5bMEsRiHX5qAZmIecoVjEt57zgZwM459Lbct6ZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:10.817364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076326
observed fa56ebb5ef597810f9fed9bee32e5916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.799303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076326/manifest.json
observed 3bd8ef6736ccd806caf0aa6b3c93ecab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.781782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076326/publication.md
observed 8be45d6898d625b2b5b7367786141206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:10.762868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076326/publication.txt
observed 71d6ac92d36fe99983c52001e32771a4...
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.