OpenTechnical

OT-2026-000037340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000037340) never changes.

Identity and time

Publication numberOT-2026-000037340 · never reused
Internal UUID01a0ae77-b8cd-7d24-963f-d0e3c83de785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037340
StatusPUBLIC

Content hashes

Canonical text102403779676bca13471d1969776c16e452bd7ca40e85d32b33676f0b1decc84
Markdownb80cba85ae0d485474da6b300aab5d47784cdd9e603fab585bf5a72d84a35c7e
PDF
Publication page23c166a5ed34db9baf3d4112ab80eafc25bfd1b372aa01c383a25579aaffea2f
Manifest149eaeeef915033a44e9fa16a01d350fe3b1b2dc68ac6bc6ae8ea6e68808e4ca

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
SignaturejDt5ntRN3T5st7chCYP8cWdFL2n3rFQEZubC9ONuc/rlrECgs4CtsD4ODN63i0g+5hXnsnabp2TbXpBAZbn/Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:45.355719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037340
observed 23c166a5ed34db9baf3d4112ab80eafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:45.338696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037340/manifest.json
observed 149eaeeef915033a44e9fa16a01d350f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:45.319960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037340/publication.md
observed b80cba85ae0d485474da6b300aab5d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:45.303219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037340/publication.txt
observed 102403779676bca13471d1969776c16e...
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.