OpenTechnical

OT-2026-000081762

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000081762) never changes.

Identity and time

Publication numberOT-2026-000081762 · never reused
Internal UUID01a0ae97-0f74-7c1e-8deb-6c906a39394e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081762
StatusPUBLIC

Content hashes

Canonical textca991d81948737ee44f2437a0b1f92fc2c84c4dc709a72692a79d872c282a25c
Markdown4379a79d4031b8ff1dfe2ac8c1aa212f1d46862984d2f6cffdbd375e46088cb7
PDF
Publication page0ba8a1a0b20d0bfa00ea32153c9b2d6d2d720e26a049dab69b34d0f3a19f1295
Manifest9ab3fb08a15d7c31f42f13ab94ccbcf27402f79040ad13935b29d3d99228bbda

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
Signature1wULMNrDlIRPHjTVVLIPzGLtCk3VHKSmEtzQ2vMrqnbuqGfAh1CUKsGf3MjIMkBkWu0lude3uWBmlcR2zPe0Dw==
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

2026-09-17T09:59:51.160527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081762
observed 0ba8a1a0b20d0bfa00ea32153c9b2d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.141106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081762/manifest.json
observed 9ab3fb08a15d7c31f42f13ab94ccbcf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.123388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081762/publication.md
observed 4379a79d4031b8ff1dfe2ac8c1aa212f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.105612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081762/publication.txt
observed ca991d81948737ee44f2437a0b1f92fc...
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.