OpenTechnical

OT-2026-000031368

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000031368) never changes.

Identity and time

Publication numberOT-2026-000031368 · never reused
Internal UUID01a0ae74-87ad-7d47-b0e0-34709e005f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031368
StatusPUBLIC

Content hashes

Canonical text025c6f02a9583632e096efda0fcaffb91ecc63bfe431e482cb13fc8df8861531
Markdownae73e01cde6b9ea9d3cf37a8d0c0558e33739e329638dbd9f921fe7fbc3de1d4
PDF
Publication page6d7227201ca376fee314bc490eb7e7c536c0aa0f8345c841bcc98b53bd3b3ad9
Manifestff5337e9e347208a486bf2eb1e378fae97568c2e6b2ca6177b1aa28473f25800

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
SignatureNavD+HSEId7+XsCALrZQrg2+gmEPmJFpvIUnhZ1CzpnrN9ZZM54pa+zLiad3lii/kE1Mq3/vVyEB2aRvTYKFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:04.298422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031368
observed 6d7227201ca376fee314bc490eb7e7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.278248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031368/manifest.json
observed ff5337e9e347208a486bf2eb1e378fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.259109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031368/publication.md
observed ae73e01cde6b9ea9d3cf37a8d0c0558e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.240548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031368/publication.txt
observed 025c6f02a9583632e096efda0fcaffb9...
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.