OpenTechnical

OT-2026-000038080

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000038080) never changes.

Identity and time

Publication numberOT-2026-000038080 · never reused
Internal UUID01a0ae77-f88b-7669-ac23-bfa82474f4b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038080
StatusPUBLIC

Content hashes

Canonical texta1d6820ebfa0e12d6f8ea81500da62cc2db503916d935eb457006bb167cb8b76
Markdownd7ba59765b5f73853267320b92e76bf96d33ca3838b53ef366b17ac407eac95f
PDF
Publication page09f9c711d0d0863abf72ebe70fb0bff452dbd81c35eaba75a9fffad7059dc004
Manifesta0bf31b7c3f5494a2d185136f55bca754dae752ee62e27ffdfc1a241ebdd842c

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
SignaturetI/GcKblKQeqXWe0Db/AHf6vUhKKViWv2l35eMNRaDZIVltmDlGzxkvOVzkn4+wVrQX6PLOMQhsmFi8nxhtnCA==
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

2026-09-17T11:23:24.512445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038080
observed 09f9c711d0d0863abf72ebe70fb0bff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.495277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038080/manifest.json
observed a0bf31b7c3f5494a2d185136f55bca75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.474982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038080/publication.md
observed d7ba59765b5f73853267320b92e76bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.458561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038080/publication.txt
observed a1d6820ebfa0e12d6f8ea81500da62cc...
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.