OpenTechnical

OT-2026-000021264

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021264) never changes.

Identity and time

Publication numberOT-2026-000021264 · never reused
Internal UUID01a0ae6f-865c-70ba-b982-ea4a83c778e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021264
StatusPUBLIC

Content hashes

Canonical textabfb22cd402b4c64a61057971760943b1cba86aa57799d1f910d529208115d6c
Markdown9fd9094f0a0100488ec06162c1b944d10c4c39887cda4a5af5e0a358f54c1cd8
PDF
Publication pageb74d0e0d63093e98b060e8e457d6598f6ad3a893d114fac94eb69bc87b8d760e
Manifest406baa4182f66ba7cd781abc73f54f9fa4872248bb0af9b65619f38793b1b7de

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
SignatureWiWCIyzFX5G8IjNSocuIWgqvhVCHOcub+fjdCHetu3mQjr+oDyg4xyz/MmVuQAK+HpLCNpMYaL4j99TlRlC3Bw==
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

2026-09-17T11:55:05.350177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021264
observed b74d0e0d63093e98b060e8e457d6598f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.330145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021264/manifest.json
observed 406baa4182f66ba7cd781abc73f54f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.312000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021264/publication.md
observed 9fd9094f0a0100488ec06162c1b944d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:05.293565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021264/publication.txt
observed abfb22cd402b4c64a61057971760943b...
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.