OpenTechnical

OT-2026-000097002

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000097002) never changes.

Identity and time

Publication numberOT-2026-000097002 · never reused
Internal UUID01a0aea1-01c8-77e4-9cba-5acc1a855a3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097002
StatusPUBLIC

Content hashes

Canonical text57c8b95314a566ee3ffb7c3863315c7696d469c033b0b92282cf37d4dc78dabb
Markdowna2c10f462ecdd649e6a3559e74165f66a01df1a5d5b2d54dcae84a07037fc388
PDF
Publication page6780e3dcab32e71eebedd289d22720d89cd5f621d6515d24abf343aa2ca57ed9
Manifeste97f4a87afc6b08f10108b2c95fe1480ad5239635cfca8539627a067a4599473

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
SignatureikwTjN/23uKosAXVZebZX+w0AUsUARFxgF0n3732EeLnrJ8f+W/kNi/GyV60pWhUpO5O/VuyzbnPfrUZT0/ODQ==
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

2026-09-17T16:41:50.681505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002
observed 6780e3dcab32e71eebedd289d22720d8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:50.354807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/manifest.json
observed e97f4a87afc6b08f10108b2c95fe1480...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:50.219113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/publication.md
observed a2c10f462ecdd649e6a3559e74165f66...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:41:50.014395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/publication.txt
observed 57c8b95314a566ee3ffb7c3863315c76...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.839512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002
observed 6780e3dcab32e71eebedd289d22720d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.692868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/manifest.json
observed e97f4a87afc6b08f10108b2c95fe1480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.672623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/publication.md
observed a2c10f462ecdd649e6a3559e74165f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:27.654729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097002/publication.txt
observed 57c8b95314a566ee3ffb7c3863315c76...
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.