OpenTechnical

OT-2026-000077016

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000077016) never changes.

Identity and time

Publication numberOT-2026-000077016 · never reused
Internal UUID01a0ae94-b071-74f6-bce8-232e158ce63d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077016
StatusPUBLIC

Content hashes

Canonical text27b46a73217dd165074c9cd61afe16f9c175eb160801bd1c3cf3e3e7a38f0945
Markdown4713949c3a094bed71bfd528e305e3e512b28728b50c669aed3fff95d77a621b
PDF
Publication pagee3317dce27d9b8dcf913156c9c4fd2d7cfc3139231bf4dd360487d3a053f9e33
Manifestee6774f373bfcc7882e0f91704364a8ab1ad110b305c74a86f1d5cab9b6f24d2

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
Signatured++Wfwu7yzmByjsTz88bCRNZ/fLyH5Tu+hKzICtC0DJ3eUplPu/VAQe1GopI56C9WML1YhgYEot3snavEz0VBg==
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

2026-09-17T10:10:24.002739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077016
observed e3317dce27d9b8dcf913156c9c4fd2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.982441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077016/manifest.json
observed ee6774f373bfcc7882e0f91704364a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.961969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077016/publication.md
observed 4713949c3a094bed71bfd528e305e3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:23.941322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077016/publication.txt
observed 27b46a73217dd165074c9cd61afe16f9...
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.