OpenTechnical

OT-2026-000063733

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000063733) never changes.

Identity and time

Publication numberOT-2026-000063733 · never reused
Internal UUID01a0ae8c-f946-77d6-975e-6245d640cd11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063733
StatusPUBLIC

Content hashes

Canonical text724ce7dc515a3c56e530bdc4a7ab003df36287950c3541d768ca6509b9cb4275
Markdown10faf88dcfc41b17e4a6f5bd1901b33cc0848d47f9a9491434e80ce9d111f707
PDF
Publication page7b7ab3dca59ab8bf4d2054c956d81e887f3a10609371a8f6c7f6409c24b80a3d
Manifest7dac45266ee05b045c6cccdcebdd44d9170a1f4aa634054ff72730fbae4c6e02

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
Signature9rQ20ENtEyIoVD9uZ5o/x6S/aCvJKB33yYB9xKoilgDWurwW9KttEIk6r8RTcRXcTuMC2ribdZgmS98zCbLvBw==
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

2026-09-17T10:37:51.773096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063733
observed 7b7ab3dca59ab8bf4d2054c956d81e88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.756413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063733/manifest.json
observed 7dac45266ee05b045c6cccdcebdd44d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.740039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063733/publication.md
observed 10faf88dcfc41b17e4a6f5bd1901b33c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:51.724053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063733/publication.txt
observed 724ce7dc515a3c56e530bdc4a7ab003d...
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.