OpenTechnical

OT-2026-000076130

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000076130) never changes.

Identity and time

Publication numberOT-2026-000076130 · never reused
Internal UUID01a0ae94-6a6f-74e0-bedd-897d1274f249 · 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-2026-000076130
StatusPUBLIC

Content hashes

Canonical text13ad2a0b6fd0e63ab8ac72023cb039160c1f4471b2295353cbc73a091dcefed2
Markdownb6993c44c55e9b7416705cd83b59b76b3475dc3b0d9e2fcb121acbece5e02cf8
PDF
Publication page27e82d768533d8514b36837e716e0eb1359c3f3c916d409e7b533cfad56caf88
Manifest03141db083faba113c9eb9192612335baef0320d38de7ce7652d5323565ac7cc

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
Signatured6G9m5bmkJqVlaaN0WexmHFI8SUaKfUW4PRpd7fjmuLSkZpFJCUbox4LcsOv04Qmx3stzak/caoaS7pWW7xICw==
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

2026-09-17T10:11:07.508564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076130
observed 27e82d768533d8514b36837e716e0eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.490981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076130/manifest.json
observed 03141db083faba113c9eb9192612335b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.473483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076130/publication.md
observed b6993c44c55e9b7416705cd83b59b76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:07.453690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076130/publication.txt
observed 13ad2a0b6fd0e63ab8ac72023cb03916...
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.