OpenTechnical

OT-2026-000099779

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000099779) never changes.

Identity and time

Publication numberOT-2026-000099779 · never reused
Internal UUID01a0aea2-c977-7df0-9b44-28d2ffae9e0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099779
StatusPUBLIC

Content hashes

Canonical text404ae6952c787bcc831761668d286bb00da42470af660342290f62a2ad5cd2ba
Markdown9039fb3d91bd9b4cbebf582623c85830e873de2aa77426057f0b4e06a355905d
PDF
Publication pagea5e717152cebe2e0a5d5e3097e595c81e2abd757a13ed56ba62bbeb56abccb9d
Manifestbab57746b497843d8728a3f9f86cfcfd49603a3c3b0c7f242e6adc069a108f71

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
SignatureHTfLvmJ2FJfi8JXec8+Y9fDh0wOuq+nTnCVTOY0dxbvPFr0hTv8fpkwiZbdoBK/zo5MKizCBnYe2k1v5NBS8Bg==
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

2026-09-17T09:29:48.868322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099779
observed a5e717152cebe2e0a5d5e3097e595c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.852743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099779/manifest.json
observed bab57746b497843d8728a3f9f86cfcfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.835668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099779/publication.md
observed 9039fb3d91bd9b4cbebf582623c85830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.818351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099779/publication.txt
observed 404ae6952c787bcc831761668d286bb0...
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.