OpenTechnical

OT-2026-000077762

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000077762) never changes.

Identity and time

Publication numberOT-2026-000077762 · never reused
Internal UUID01a0ae95-2ed0-701d-946d-fcbcf8a08b61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077762
StatusPUBLIC

Content hashes

Canonical text24b19d64192e51c99aca0ebf8bb3862138a3bf74ffc272b2051684c8d382843e
Markdown9bc92f9242f558920fb406d8ae30a757907eb09bf629951d0a7f1b8c83ce1808
PDF
Publication pageab75324f58ac02494dddfcb430bba423509b5ae0228bc9b53b617b9ecd02600b
Manifest7789d75885b685701277021a0094fbf51b5007332dd95a00142f030717ab615d

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
SignaturelGRfrjUxaJ2Yxp2O0OUDk6VvlnDVXmx0uJolnwhcCoHsOQAAwBhheDEU7MboGQzYaLnb+1r4n3Js2B7cNjukBQ==
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

2026-09-17T10:07:20.727713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077762
observed ab75324f58ac02494dddfcb430bba423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.707889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077762/manifest.json
observed 7789d75885b685701277021a0094fbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.685435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077762/publication.md
observed 9bc92f9242f558920fb406d8ae30a757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:20.667684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077762/publication.txt
observed 24b19d64192e51c99aca0ebf8bb38621...
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.