OpenTechnical

OT-2026-000071718

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000071718) never changes.

Identity and time

Publication numberOT-2026-000071718 · never reused
Internal UUID01a0ae92-1e91-70b7-8efd-538f6eb3f576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071718
StatusPUBLIC

Content hashes

Canonical text31716ad675e2605007612ced5c2ed11037661e7e2a93e2bf26e8e63837670d05
Markdown069e84b398c7b07b5ab75c5da939af95a55678edbb828061b9ed19070bd4c24e
PDF
Publication pageb8e2920d4d246b55e1db256b11ad8608c1144ed1dd2fc5016de4441f57ce4b09
Manifest86f582bf095f528f7e1ef589b847746b6d68211a2b72898adbff2b9f80af3ae8

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
SignaturejdceAKjBS+PS75Ec3KfYouysizwHi4DXiAJJHuVJ4Bpox6Jx3wcY/I96cEvbvAMJJaAlySvoBq5biXcXwmKNCA==
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

2026-09-17T10:23:52.190988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071718
observed b8e2920d4d246b55e1db256b11ad8608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.173197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071718/manifest.json
observed 86f582bf095f528f7e1ef589b847746b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.156434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071718/publication.md
observed 069e84b398c7b07b5ab75c5da939af95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.139843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071718/publication.txt
observed 31716ad675e2605007612ced5c2ed110...
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.