OpenTechnical

OT-2026-000088401

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000088401) never changes.

Identity and time

Publication numberOT-2026-000088401 · never reused
Internal UUID01a0ae9b-5d27-7d3c-8328-0030a78243bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088401
StatusPUBLIC

Content hashes

Canonical textf06be3902e0ff4fcd05cfbec3ea5ef9ff1a224e3fd36a3f17c1606fc23f757ae
Markdown31a5e3ac1f523560a241b1d21db39b9c61a3d7393d7ad7b1cb8c5c8b7e02db94
PDF
Publication pagec5c4b553720519a29e165eb4656fead388ba509b28cea91cedd8805cda817505
Manifestfd0c1b72fc560e2e28fe5ea67c1f797807122955a6c4571b31f3334e3ab7eacb

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
SignatureUV7G4R5ILqoLgr9U9OxPzF8e4bkVCU2nHjcptpH54kst7R9D1ss9q4o/dRxbeuVyQaZr/fWiTkRr+E6xN5r6AA==
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

2026-09-17T12:42:31.179036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401
observed c5c4b553720519a29e165eb4656fead3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:31.013989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/manifest.json
observed fd0c1b72fc560e2e28fe5ea67c1f7978...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:30.847276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/publication.md
observed 31a5e3ac1f523560a241b1d21db39b9c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:30.705540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/publication.txt
observed f06be3902e0ff4fcd05cfbec3ea5ef9f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.769732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401
observed c5c4b553720519a29e165eb4656fead3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.751439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/manifest.json
observed fd0c1b72fc560e2e28fe5ea67c1f7978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.734792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/publication.md
observed 31a5e3ac1f523560a241b1d21db39b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:45.717535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088401/publication.txt
observed f06be3902e0ff4fcd05cfbec3ea5ef9f...
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.