OpenTechnical

OT-2026-000088697

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088697) never changes.

Identity and time

Publication numberOT-2026-000088697 · never reused
Internal UUID01a0ae9b-8f0f-71c2-b370-b69eca48aeb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088697
StatusPUBLIC

Content hashes

Canonical text5058a82985dd3edd3d04574bd45ad48d5e1f4d28b301708f28c26605f4ac1167
Markdown424f767b4c03666e84916c4e70c3efff97e7905c207e079ce9f23baadbc7f7e8
PDF
Publication page7f247d48bd7c4d12d343d8ee1775c507b1101054be9998e31ed91e3d325113e9
Manifest4bb057da79acc4f2802bed7b4a7a38848f4f508240225816d9ba5198efef3c2c

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
SignatureZZ1opip0gDBzxMqaXOTjirs4UA09WgF5vdBH0qTKIz94YpisYWeLkb9QkcZcPt2ur0/QFc5HmwCt/DAuk1O4Dw==
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

2026-09-17T09:47:55.796174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088697
observed 7f247d48bd7c4d12d343d8ee1775c507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.777633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088697/manifest.json
observed 4bb057da79acc4f2802bed7b4a7a3884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.755981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088697/publication.md
observed 424f767b4c03666e84916c4e70c3efff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.737484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088697/publication.txt
observed 5058a82985dd3edd3d04574bd45ad48d...
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.