OpenTechnical

OT-2026-000104451

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000104451) never changes.

Identity and time

Publication numberOT-2026-000104451 · never reused
Internal UUID01a0aea5-3421-72ce-9296-75a0aa6a43cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104451
StatusPUBLIC

Content hashes

Canonical text1528ef25acad5c6fdf9ef0301d3c603c1ffdb26ae76dd96aeede87c800309338
Markdown1fbb454ec36a4db871eb1fcb129d85265a128a53f616af969be79a7c9c300d6d
PDF
Publication page0a52bea92459f1de1edae6027fb8ed5aba28d0ed800e63ad77ea0f9b68c71e58
Manifest0e0aac1e256c33b9a5ec31af49353453696242920d1da098ff5d7477c4ef1a0a

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
SignatureOVIQO6NYb+V/GfnhgOaLguipPWl6UjHlq2YnLN0bqDDuDQwaGa85u5iSlreuqxI43m33yaHQXJYoq7S6qI1EDg==
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

2026-09-17T09:21:43.869354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104451
observed 0a52bea92459f1de1edae6027fb8ed5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.851663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104451/manifest.json
observed 0e0aac1e256c33b9a5ec31af49353453...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.835351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104451/publication.md
observed 1fbb454ec36a4db871eb1fcb129d8526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.818850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104451/publication.txt
observed 1528ef25acad5c6fdf9ef0301d3c603c...
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.