OpenTechnical

OT-2026-000020730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000020730) never changes.

Identity and time

Publication numberOT-2026-000020730 · never reused
Internal UUID01a0ae6f-65e2-7796-a8fc-b9b7cb362f7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020730
StatusPUBLIC

Content hashes

Canonical text1eaef01f2d771eb79af00d4355c7c05e34c77b83222d41c9fa6458e007335da3
Markdownd8d0f3559e81d445eda87b840ffd056c7ff8ecbf2ea48f144b19ead83d40c708
PDF
Publication page56b903a7441ff6b24491654e5534c6625a0eb970705614e100c55fd1723f8f2c
Manifestf7f07d93c2c4d458a9b3f5caf9684327386d35334921732204f4262ffe5486cb

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
SignatureGB9W/gIqB0rSXohHisBc8HqerRTEjBvFVBMskpsSVld19dH3afMVefOfzu885fc5xN24qG8a0cIAiFeIii03Dg==
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

2026-09-17T11:55:47.464170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020730
observed 56b903a7441ff6b24491654e5534c662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.445774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020730/manifest.json
observed f7f07d93c2c4d458a9b3f5caf9684327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.426982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020730/publication.md
observed d8d0f3559e81d445eda87b840ffd056c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.409205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020730/publication.txt
observed 1eaef01f2d771eb79af00d4355c7c05e...
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.