OpenTechnical

OT-2026-000063666

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000063666) never changes.

Identity and time

Publication numberOT-2026-000063666 · never reused
Internal UUID01a0ae8c-f946-7e8b-b5e8-81afe5f98f4f · 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-2026-000063666
StatusPUBLIC

Content hashes

Canonical texta09ef4097e5a896f8a8d1697afda187bf63a1e252159fd7776af6777f5c415ba
Markdown4a492febd5d66ea5fc6a48ddbf0bdd4766f9a91595bb83d8d7e844d118d273ad
PDF
Publication page03ecf4a8f76213971564684f9b640a26e64a28de4bfe44c00cd05c54a2d2526f
Manifesta9645dbd372ef34f762b8001c3fe1a6376504bfb530b20cc3e2bb6073d591e4c

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
SignaturehX5Rg5Atmg6C/t2Zopc4551H7SwUihzlK+/gZAEAaAmR4iv4egWNgvR56CvRgs1KY/G7PTZZHXWQiTB6oP9ICw==
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

2026-09-17T10:37:46.664672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063666
observed 03ecf4a8f76213971564684f9b640a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.645412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063666/manifest.json
observed a9645dbd372ef34f762b8001c3fe1a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.627923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063666/publication.md
observed 4a492febd5d66ea5fc6a48ddbf0bdd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.609657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063666/publication.txt
observed a09ef4097e5a896f8a8d1697afda187b...
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.