OpenTechnical

OT-2026-000017716

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000017716) never changes.

Identity and time

Publication numberOT-2026-000017716 · never reused
Internal UUID01a0ae6e-96fa-7d6e-b1ac-3d9d6381a7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017716
StatusPUBLIC

Content hashes

Canonical textfea71f3c67026e0bb237ad983236d27f8b337cf6e66e86fd1435b3fc8d2d8bde
Markdown2108093507ce22116411af8e59757af5b611dce0b5022417e19469c512db1f8d
PDF
Publication pagea8550b7bcaf86c489a6d57d91366e80d55e90be7472290c7afbd7e73117c57a1
Manifestb64e216ca95cbe5965c3138869c1233bca44c972af664810f2bd58d3a45d3f7e

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
SignaturedFqIdlXXpRe7Gf8vnY8RpMu0rOHHaLAGeYfYeJM/tSxHMUfXb2AACntyPlBpMOARYmY6xvkV7pdCzVImtna/Dw==
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

2026-09-17T12:01:40.128725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017716
observed a8550b7bcaf86c489a6d57d91366e80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.113385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017716/manifest.json
observed b64e216ca95cbe5965c3138869c1233b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.095683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017716/publication.md
observed 2108093507ce22116411af8e59757af5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:40.078792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017716/publication.txt
observed fea71f3c67026e0bb237ad983236d27f...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent