OpenTechnical

OT-2026-000083410

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000083410) never changes.

Identity and time

Publication numberOT-2026-000083410 · never reused
Internal UUID01a0ae97-c964-7a95-a29b-26ecc12687b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083410
StatusPUBLIC

Content hashes

Canonical texta4ebbedbdebedd54b01449c35d346b0903e202e5bf15205eb823742b5b11eec8
Markdown355e66ba189c882ba9fabd7df033d52004f5834034c2e2f11a4f02a3c83daf5c
PDF
Publication page11eddb197cbd6a8edfbdfc13d332b6bc997e8a1d92607de4f0e5e37b28316aaa
Manifeste982b41facbe5586ef833c9b3b47ba153cae55aafa4229d885c3960c782dfeb2

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
Signature+t3yjmDcWdE3cKxJh6/uohpUD9T1pYpfCNKB0rWcBnBPdmWpsOb9N1yAjFfRJpAJbAeRlINF3kouFkKJzbVcCA==
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

2026-09-17T09:57:49.356124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083410
observed 11eddb197cbd6a8edfbdfc13d332b6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.339341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083410/manifest.json
observed e982b41facbe5586ef833c9b3b47ba15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.322486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083410/publication.md
observed 355e66ba189c882ba9fabd7df033d520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:49.305928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083410/publication.txt
observed a4ebbedbdebedd54b01449c35d346b09...
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.