OpenTechnical

OT-2026-000035149

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000035149) never changes.

Identity and time

Publication numberOT-2026-000035149 · never reused
Internal UUID01a0ae76-6a1d-78d4-91d8-b774c1e99bc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035149
StatusPUBLIC

Content hashes

Canonical text19087b813ed7b6c382d562fa5f3bdae95f50e9f6c156cb97d1ea406f8fedbb43
Markdownb42bcddc6f0cb48a4b3722872b8a537e6ead3b08d6a4d1c190dad7b01fd4059b
PDF
Publication page983c03596fc8bb539f4dcc99d9fa22b311f74699c7edf5c7bddac0a9149b72ed
Manifest1764345aecc0fd51ec40db5d4f9ddfab32240a60c5bb451f90702c34116c8002

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
SignatureYtm//PCunte3zJgN1/g3EHieCxIy2wTKkVszvAARv2SURujLlpWw3EA5vHxBPTAJzve7tXFYLHPXQ1siuCUcCw==
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

2026-09-17T11:28:14.362799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035149
observed 983c03596fc8bb539f4dcc99d9fa22b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:14.343885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035149/manifest.json
observed 1764345aecc0fd51ec40db5d4f9ddfab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:14.325954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035149/publication.md
observed b42bcddc6f0cb48a4b3722872b8a537e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:14.307616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035149/publication.txt
observed 19087b813ed7b6c382d562fa5f3bdae9...
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.