OpenTechnical

OT-2026-000064781

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000064781) never changes.

Identity and time

Publication numberOT-2026-000064781 · never reused
Internal UUID01a0ae8d-deba-7933-b319-47a871803ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064781
StatusPUBLIC

Content hashes

Canonical text06da203c515645dc7386f6b85cfc76652441dc95306e085097ad2eccc23a0d4a
Markdownd7f2e8ca074bc23385a67b3995fb0d8bc798e617ead1b9a9f0ec5a90f603aa22
PDF
Publication page483ba2e977b80fee026357c1fac45f90e085cc6d4e2baed6fa7ace83a16ffb6d
Manifestb9b33a77ae6306b2df1d022d225a31058d6ff178cf2a0b715f95299424f93312

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
SignatureiW5MBH2GkbpJL98sgfGmO5SiN6y5Etqw7RM2zg6ZMV/x8VxNPfbIBVqDaIJf2gmapCTcs3Gwa6rh0Umja5zvDA==
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

2026-09-17T10:35:40.664432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064781
observed 483ba2e977b80fee026357c1fac45f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:40.646990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064781/manifest.json
observed b9b33a77ae6306b2df1d022d225a3105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:40.269462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064781/publication.md
observed d7f2e8ca074bc23385a67b3995fb0d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:40.231380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064781/publication.txt
observed 06da203c515645dc7386f6b85cfc7665...
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.