OpenTechnical

OT-2026-000077738

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000077738) never changes.

Identity and time

Publication numberOT-2026-000077738 · never reused
Internal UUID01a0ae95-2ecf-7ef1-9814-ed7dac1c6f02 · 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-2026-000077738
StatusPUBLIC

Content hashes

Canonical text2120340f2ca1363d64a850b2337e675bf5d3147ce4d7e8fb02227e54eba2e347
Markdownd059b30c6fb14a06efb4d33a1966b1240cbe7b70c662cc09d99d58ad9d396651
PDF
Publication page49ae0763e3eeece23b23ff9435b3cd1bcd0e67761296e9f0e72e5b89c73b675e
Manifest8ddf4b7196fb6676289b1f9f6bf921330d57f42980892d54e6265683f89db314

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
SignaturePmrsx5tAHeagPUjxpwTZ84e6Ee7s1+BttAk1FyTQ1ubOIT4STv5xrbw4SB80ybutYZx014hY2bg/2n5MFqY4Bg==
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

2026-09-17T10:07:18.998464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077738
observed 49ae0763e3eeece23b23ff9435b3cd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.982352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077738/manifest.json
observed 8ddf4b7196fb6676289b1f9f6bf92133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.965715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077738/publication.md
observed d059b30c6fb14a06efb4d33a1966b124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.947345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077738/publication.txt
observed 2120340f2ca1363d64a850b2337e675b...
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.