OpenTechnical

OT-2026-000103008

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000103008) never changes.

Identity and time

Publication numberOT-2026-000103008 · never reused
Internal UUID01a0aea4-be3d-7d43-b14f-9f3dd69a86c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103008
StatusPUBLIC

Content hashes

Canonical texteb598565ce604cbb1aeff895cc9ce3d5c0be746b2d5e428014bc2d1a78ec3198
Markdownca46dfc92267c4c056791816c19cf329d01024f5a38444d8c268389752c9e5af
PDF
Publication page0bd8495724da47cdb43c5f7030dac55ee9e68b961c501784fae836155100bdf8
Manifest6cd10e0a1603468ba0a832e07fb61336bca57a982c1fc0a076737f0795159104

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
SignaturebzZDTVk4fh5IEB3e6tmYwjsQXQUERUis66UTN9ROUw3LHEEQfM+3B99wRA63blMij78MKinzbtkM8gZDKuFXDQ==
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

2026-09-17T09:23:07.505792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103008
observed 0bd8495724da47cdb43c5f7030dac55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.487057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103008/manifest.json
observed 6cd10e0a1603468ba0a832e07fb61336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.469637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103008/publication.md
observed ca46dfc92267c4c056791816c19cf329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.451631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103008/publication.txt
observed eb598565ce604cbb1aeff895cc9ce3d5...
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.