OpenTechnical

OT-2026-000092861

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line 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-2026-000092861) never changes.

Identity and time

Publication numberOT-2026-000092861 · never reused
Internal UUID01a0ae9d-b601-7384-a319-dd0e282c7241 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092861
StatusPUBLIC

Content hashes

Canonical text3ec6832ad3942865feeb5744cbd7dae7b67bbea277edd6a3c9d4e615f5d89313
Markdown5163bc4ae37e3eaf5255b06f9aea516896137f40218a2fa3bb2998b1b56868dc
PDF
Publication page1cdaa0bd45a40ca71725d20fc463418f883c4ae3c00d3454472fb07daab38fb7
Manifest13a15da0235d6b6e739553b20a051dd43086f99d2486515ef6c373c6f102a826

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
SignatureiA1z1oR3z4COC7DAGIhzeeVfEQBKmJcHh/8TKmTvd0jvFgoARQ7kkn6OmGw6631ljH+XGVv5tGPvIC1sJH3AAQ==
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

2026-09-17T09:41:31.159193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092861
observed 1cdaa0bd45a40ca71725d20fc463418f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.141179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092861/manifest.json
observed 13a15da0235d6b6e739553b20a051dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.119689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092861/publication.md
observed 5163bc4ae37e3eaf5255b06f9aea5168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:31.101875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092861/publication.txt
observed 3ec6832ad3942865feeb5744cbd7dae7...
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.