OpenTechnical

OT-2026-000076551

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076551) never changes.

Identity and time

Publication numberOT-2026-000076551 · never reused
Internal UUID01a0ae94-b06d-7abe-9147-957312552b25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076551
StatusPUBLIC

Content hashes

Canonical text516b665342882a35afd57eebde1f78f631de5adcf7cb147592579343df1f1f4f
Markdownd733e6ba29b5a3f74bbf5ae9c5e36c199f06dcaf52e4b947df9ccf0b1593349a
PDF
Publication page2dfd70f14de05fadbe188c0ef2bfb0cbad9d5b5cb7a6b78448dfa5f84b8a8342
Manifestd39168ce94c6fa4f4cce99b1ed694ee835b6e2b232629feaff2cdfa601983ded

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
Signature4l9LqxCFgBQaW3AB7J5rJFbYzRAjnddS4YelwKog4zvg43QAImxWSWuoJuTVPc6LO8FNx+coo3w73aa4AY2FAQ==
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

2026-09-17T10:09:15.151199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076551
observed 2dfd70f14de05fadbe188c0ef2bfb0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.132313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076551/manifest.json
observed d39168ce94c6fa4f4cce99b1ed694ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.113996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076551/publication.md
observed d733e6ba29b5a3f74bbf5ae9c5e36c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.095235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076551/publication.txt
observed 516b665342882a35afd57eebde1f78f6...
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.