OpenTechnical

OT-2026-000008533

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000008533) never changes.

Identity and time

Publication numberOT-2026-000008533 · never reused
Internal UUID01a0ae6a-e46a-7fb8-91d7-a457be60c825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008533
StatusPUBLIC

Content hashes

Canonical textb96e64d5ddbddc50ff032ad0a9cec6791a0439f9897277b9260ae1bf4e5c9810
Markdownf493f629ed11b5857178dd456b6c04ff9b64c577ecb6d12c1fcc724cfd0290c8
PDF
Publication page99c51e239afe1b740ef7d299a1c4d155a30e783a90cb5dc6e988fb04801aa111
Manifest2dd9802c185253f03c533e6eeb9e580e1a986aad36248d0bde6005ba674cc2b7

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
Signature7FLWtOVtAvbvQwJlT9u0pJSc8DqNUhsf81KjnrHrTCDm3xhwbvdUCx0NtARbhWP6lBEYT2KLEgf1CeePm0bZAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:27.327309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008533
observed 99c51e239afe1b740ef7d299a1c4d155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.306815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008533/manifest.json
observed 2dd9802c185253f03c533e6eeb9e580e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.250470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008533/publication.md
observed f493f629ed11b5857178dd456b6c04ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:27.211217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008533/publication.txt
observed b96e64d5ddbddc50ff032ad0a9cec679...
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.