OpenTechnical

OT-2026-000100723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100723) never changes.

Identity and time

Publication numberOT-2026-000100723 · never reused
Internal UUID01a0aea3-66f4-70bf-8e88-eee3e883ea96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100723
StatusPUBLIC

Content hashes

Canonical textee357b6b01c0a3ab8124aad6dafa4dcbc8b1bf7c4bb13ed01508ca7a2c595817
Markdown310d517660a058fedfa1811fc121789fd1d39c147c99d8279492fb3f9124efd3
PDF
Publication pageef5612beb9be94463724e8dfedd405e2e4eebf58aa76d5c8ad52b4862af37315
Manifest668b28ee37653af71f40a2069fad23ce677c20f44769084d5ff24e9cd19a883e

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
Signatured8ePPuO9sKCVokOmMIoobnrmwAD7+lLjvfxWrdTY4Ov8UaIbC6SlAn2cUXIzq08sHJKcXYDg0arbLwrruqXWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:32.884136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100723
observed ef5612beb9be94463724e8dfedd405e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.867635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100723/manifest.json
observed 668b28ee37653af71f40a2069fad23ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.850403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100723/publication.md
observed 310d517660a058fedfa1811fc121789f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:32.831866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100723/publication.txt
observed ee357b6b01c0a3ab8124aad6dafa4dcb...
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.