OpenTechnical

OT-2026-000083987

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000083987) never changes.

Identity and time

Publication numberOT-2026-000083987 · never reused
Internal UUID01a0ae98-0419-700e-8efa-ff1dfc7422ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083987
StatusPUBLIC

Content hashes

Canonical text177f2d6cc957529433a4f23225d0ae57b6d411ba4830d2dadd213dda1f79bbda
Markdown9664e31e161bfb7b0e9a94daedf56cfb267268961b9961996349cace4195f330
PDF
Publication page67bd50bed8f13ade0ecb15d980b6a50c934fe79ebf637de3c505fbf2e7dae7b2
Manifestdc7e9dfeef3d8e86473be33fee83f4a3708dd940776d2714479ef99796108b0e

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
SignatureNtCwXRCjkWeKjOHm5t+ms0jFGOerZxYEiile+k/DL67QpVYsrVSNPHmdmqAY5rCcM8BFRo4uRMp/FNZ+j0gKCg==
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

2026-09-17T10:00:31.306389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987
observed 67bd50bed8f13ade0ecb15d980b6a50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.284051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/manifest.json
observed dc7e9dfeef3d8e86473be33fee83f4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.259051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/publication.md
observed 9664e31e161bfb7b0e9a94daedf56cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:31.239210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/publication.txt
observed 177f2d6cc957529433a4f23225d0ae57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.505538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987
observed 67bd50bed8f13ade0ecb15d980b6a50c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.490645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/manifest.json
observed dc7e9dfeef3d8e86473be33fee83f4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.473815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/publication.md
observed 9664e31e161bfb7b0e9a94daedf56cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:40.458193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083987/publication.txt
observed 177f2d6cc957529433a4f23225d0ae57...
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.