OpenTechnical

OT-2026-000076878

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000076878) never changes.

Identity and time

Publication numberOT-2026-000076878 · never reused
Internal UUID01a0ae94-b070-7047-ae0a-51618cfef0ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076878
StatusPUBLIC

Content hashes

Canonical text6b1564078618b37a39a72110ba7d879d965861a76ed880ac13b802bff4b7fcc4
Markdown6524fe0d16bbfffd5f647072cb2cef231f7499339b2152a03d507df02a7a5b79
PDF
Publication pageff6403412124a36e3a5115377d5a218fc8d958725fb8237545bf01daa0a8b990
Manifest54edea795cd94e4a0d5f020e09c95b4607dfebaeb77830cfd5355926438b5058

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
SignaturegU3lGIKyrPjgygLjFF11fQa8r1+efP5PyDqUzU4MU8PVZPzEqAvichx5byFUYpPib9PnnO/qD9FVOo90x062Cg==
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

2026-09-17T10:09:46.778914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076878
observed ff6403412124a36e3a5115377d5a218f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.758541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076878/manifest.json
observed 54edea795cd94e4a0d5f020e09c95b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.738954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076878/publication.md
observed 6524fe0d16bbfffd5f647072cb2cef23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.719124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076878/publication.txt
observed 6b1564078618b37a39a72110ba7d879d...
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.