OpenTechnical

OT-2026-000076880

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-2026-000076880) never changes.

Identity and time

Publication numberOT-2026-000076880 · never reused
Internal UUID01a0ae94-b070-7f19-81d2-934584979105 · 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-2026-000076880
StatusPUBLIC

Content hashes

Canonical text38e20a38ff341ab3687b7b75467c54df2056e50f53ba49512d738c008502ed00
Markdownb3523f1808b767f7d24d1e4d9f4b4c226c75b2fc8ad3640461b095beddb7082a
PDF
Publication page65db52da6551228e643559dd1fb1c9309553ec3da85b6910711b3c669ff5c3d9
Manifestf845af40089b92f97d1d6200e18b2ddf14129e9474f6e08fd4d0ce89577c6af7

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
Signature5qB2PMQ131b9dRplG8pc1b0gM4WRQ59A3yRYU1cQikur5YB5J19PRRxTqUA6PrFntk5vNfVlfJWpIZowJd2JDA==
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

2026-09-17T10:09:46.948448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076880
observed 65db52da6551228e643559dd1fb1c930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.928482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076880/manifest.json
observed f845af40089b92f97d1d6200e18b2ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.907426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076880/publication.md
observed b3523f1808b767f7d24d1e4d9f4b4c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.886166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076880/publication.txt
observed 38e20a38ff341ab3687b7b75467c54df...
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.