OpenTechnical

OT-2026-000077760

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000077760) never changes.

Identity and time

Publication numberOT-2026-000077760 · never reused
Internal UUID01a0ae95-2ed0-761d-8c58-fa08902eeeb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077760
StatusPUBLIC

Content hashes

Canonical texta524126e6f9e6927e97d6e6f692db5a88d126ee867a41f5f7ea94ff6f742c0a4
Markdown18b6978f713391c2a89ee084e58fba950d5350316e579bb843acfa552acb6164
PDF
Publication pagee28bd012c11749a8059be9aa1e90df7967efa5161fdcb95894f9f96e422707b1
Manifestd8685f3e653db3a1d3fcbdf3023fab0c9902c0865fead5ee8a300e6b0a7f8b97

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
SignatureErL4NBqT19BmVSjsQBcTuaj1AZqn85VjNUIoFjZrta61FH0QcE9APlN/PnmTUoCbBwOU6nkIniwH01byhaUBDg==
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

2026-09-17T10:07:20.568490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077760
observed e28bd012c11749a8059be9aa1e90df79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.549943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077760/manifest.json
observed d8685f3e653db3a1d3fcbdf3023fab0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.530137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077760/publication.md
observed 18b6978f713391c2a89ee084e58fba95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.510395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077760/publication.txt
observed a524126e6f9e6927e97d6e6f692db5a8...
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.