OpenTechnical

OT-2026-000083401

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, sustained 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-2026-000083401) never changes.

Identity and time

Publication numberOT-2026-000083401 · never reused
Internal UUID01a0ae97-c964-7270-9506-d334ccd248d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083401
StatusPUBLIC

Content hashes

Canonical text841edc129aadb1e08c2eddb10c86fc13336ad73b0021e4d8831b3e1a9b302ef8
Markdownc153b6625211afcbb56b7237da3a3446255ac681c56bd0d2a1b2ea6148ab1562
PDF
Publication pagefdfe570318a02ab8e274704bea4fe04b307bb0fc04b4e38fe57a1e39bb6b8498
Manifest8d35c11d00ba099dac67e8d1d45c51ea4500ed8452070c8d64bd13a3f7271bda

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
SignatureSdxyD4/cyjOZjT9U0B6HUnX9hupYBnUsU52reynymk/fC9mahwsF5QwDUeNPkU+DUSkFyefaYsnRRNXrDSdgCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:52.161810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401
observed fdfe570318a02ab8e274704bea4fe04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.143713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/manifest.json
observed 8d35c11d00ba099dac67e8d1d45c51ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.126386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/publication.md
observed c153b6625211afcbb56b7237da3a3446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:52.110353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/publication.txt
observed 841edc129aadb1e08c2eddb10c86fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.722689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401
observed fdfe570318a02ab8e274704bea4fe04b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.705475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/manifest.json
observed 8d35c11d00ba099dac67e8d1d45c51ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.689433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/publication.md
observed c153b6625211afcbb56b7237da3a3446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.661525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083401/publication.txt
observed 841edc129aadb1e08c2eddb10c86fc13...
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.