OpenTechnical

OT-2026-000039994

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000039994) never changes.

Identity and time

Publication numberOT-2026-000039994 · never reused
Internal UUID01a0ae78-d8d7-7082-9548-8d9bfd350f6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039994
StatusPUBLIC

Content hashes

Canonical textaf48d937ad83697172d5708b211b76218745cbc1c26707b8aede3f5c488941f9
Markdownd632d7d3f0ceb3826b1111125b1a0ff5fe6ee6bd61fd60b8a6ed68cf67354dcc
PDF
Publication pageeeccbc2a13767d874a35e81fd22c1072531189c96c97b6461bb1a9d120f6ef01
Manifest29af60e95fa8fa8539668834b543ed5410683fee056fd8c31136696a80cda2e7

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
SignatureYycnpW15rTfzZEsLeqSc//MyOLUd9uT7voZgm61wkFLQ6ytob/aGi2IMHNDrqJIJEIYbvthtN8oL+sDbC4nPCQ==
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

2026-09-17T11:20:19.643501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039994
observed eeccbc2a13767d874a35e81fd22c1072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.626541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039994/manifest.json
observed 29af60e95fa8fa8539668834b543ed54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.609804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039994/publication.md
observed d632d7d3f0ceb3826b1111125b1a0ff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.592454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039994/publication.txt
observed af48d937ad83697172d5708b211b7621...
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.