OpenTechnical

OT-2026-000064453

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000064453) never changes.

Identity and time

Publication numberOT-2026-000064453 · never reused
Internal UUID01a0ae8d-a461-74d4-8abd-009452b6a91c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064453
StatusPUBLIC

Content hashes

Canonical textc4f5ff9f130ad9cce3a5aab904d89587d2802b14d02ed859a9bad0dc6c445a14
Markdownc869ba10e154894c83f3181bd544ab03e91460ab8005b3cf296acb64ae3c08de
PDF
Publication pagee0f52f90412d00dd017c103cb2e11add19ae93edac13e2e5512fcbcb8c20b245
Manifestc31620243d699b1ebc7e7b642abc50c6494ba3940ba746a362156ee3b01cb756

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
Signature6jxZtksl/nYc8PNkkTkITYoiz+fkL2kQ+Oaw5T5QMqQuxh8zvT3Yit6/1aEMT2fyS2d0AM3dHrfkqMsd3oP/Dg==
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

2026-09-17T10:36:38.489719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064453
observed e0f52f90412d00dd017c103cb2e11add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.471014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064453/manifest.json
observed c31620243d699b1ebc7e7b642abc50c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.451745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064453/publication.md
observed c869ba10e154894c83f3181bd544ab03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.434490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064453/publication.txt
observed c4f5ff9f130ad9cce3a5aab904d89587...
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.