OpenTechnical

OT-2026-000037305

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000037305) never changes.

Identity and time

Publication numberOT-2026-000037305 · never reused
Internal UUID01a0ae77-b8cd-7be8-9bfe-77f7dbd3bc2d · 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-2026-000037305
StatusPUBLIC

Content hashes

Canonical text0c0c86590c8adbfa859ecf3b4bdaa1b7873b13a8c0e53fe1f7d908b3ef24d2d2
Markdown454a818747422b2e218cdc3554392e6b1b717976141c0470a9b9b68f8cde93c2
PDF
Publication page33673f899e46ec39916d1da843c40c4930e5f1d3e7b9bc381f706f5a45c38862
Manifestb1af95d5e577925757e8fc88731e6afcea92693013a53939e064a23c7d6f71f5

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
Signature8SkHNSlAgxeIWdL20yz0IjZxREO47KK1NZiXhGIQA3YdmjLD6QeKxZeKWr6Ed/Ugj4/BoC+1blN8APbisNcvDw==
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

2026-09-17T11:23:35.794667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037305
observed 33673f899e46ec39916d1da843c40c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.776815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037305/manifest.json
observed b1af95d5e577925757e8fc88731e6afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.757896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037305/publication.md
observed 454a818747422b2e218cdc3554392e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.735694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037305/publication.txt
observed 0c0c86590c8adbfa859ecf3b4bdaa1b7...
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.