OpenTechnical

OT-2026-000082521

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000082521) never changes.

Identity and time

Publication numberOT-2026-000082521 · never reused
Internal UUID01a0ae97-8cc7-7a0c-878a-89714d6656af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082521
StatusPUBLIC

Content hashes

Canonical text8a95d5ec896f79a02196214a935497a89a69c4bce56708f9cc04d53df641957d
Markdown6f474ef1031d72f65b062d2d676c9ca76b705688a8d61b09e885d93ceee65951
PDF
Publication page077ceac19f826ccd0b7419178f74bc0a2efd9964d315439c1df40aa9e4a24817
Manifest6abbb1bc49b9bc5a514bdcfbe0ed03b0969ff95939091c41074b0f76d0e3a2c3

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
SignatureaapnWJMPi4vbmGDgjSoi3179XxE6p0s+7hbs3MwJhQpE7CjhWqQJBj4JzcFoUwmnuNavighVucUmy2zAcDYrDA==
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

2026-09-18T12:41:59.973028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521
observed 077ceac19f826ccd0b7419178f74bc0a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:59.653337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/manifest.json
observed 6abbb1bc49b9bc5a514bdcfbe0ed03b0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:59.463160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/publication.md
observed 6f474ef1031d72f65b062d2d676c9ca7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T12:41:59.106415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/publication.txt
observed 8a95d5ec896f79a02196214a935497a8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.278583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521
observed 077ceac19f826ccd0b7419178f74bc0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.263089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/manifest.json
observed 6abbb1bc49b9bc5a514bdcfbe0ed03b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.247130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/publication.md
observed 6f474ef1031d72f65b062d2d676c9ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.231761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082521/publication.txt
observed 8a95d5ec896f79a02196214a935497a8...
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.