OpenTechnical

OT-2026-000035899

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed 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-2026-000035899) never changes.

Identity and time

Publication numberOT-2026-000035899 · never reused
Internal UUID01a0ae76-b4c9-77ed-be08-e2d030ef3245 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035899
StatusPUBLIC

Content hashes

Canonical text38ee429c4989f2c299b4f49e874e728a10c879a82f450de305feafa1daf6c431
Markdownc78e91c73793c1ff563dc3034553d5f315f0f568ac3ea5643f7b5a52d7c83759
PDF
Publication pagebbe85af196703d6fc190d76c07ac3fe13931ed5deade703a178d01e79882ffc9
Manifest4e01389c7c87859ae7b58d19a445103fa3b0780ba102b9ac27b4b30bc957fc5c

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
SignatureGgOLfzxZIXufQIntqfKLJhSoVRl9QRVIrqrPrEd9fdej79DR3q5uYhDPjdzgV8lwnRhSPPkTKe4LQxdiwzrcDw==
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

2026-09-17T11:27:44.196511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035899
observed bbe85af196703d6fc190d76c07ac3fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.177872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035899/manifest.json
observed 4e01389c7c87859ae7b58d19a445103f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.161381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035899/publication.md
observed c78e91c73793c1ff563dc3034553d5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:44.142404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035899/publication.txt
observed 38ee429c4989f2c299b4f49e874e728a...
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.