OpenTechnical

OT-2026-000078677

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000078677) never changes.

Identity and time

Publication numberOT-2026-000078677 · never reused
Internal UUID01a0ae95-ccbb-7c3d-a313-a4801babecff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078677
StatusPUBLIC

Content hashes

Canonical textb0cceabcbf061d8d7c308ec357ff75f05c0c9138a04f8fc42dee8d718348aa02
Markdowncd17b47268a9c443b8f826f2405b49c7cc52099419b50f0add37425eeac2ff68
PDF
Publication page9b264ff6a7ddb5a8cf3a2775c0ee65665494aea2debaebef5e388466f8990765
Manifest94b2e31e523766b310bab4bb86a60ee668fa3256655cb28f24ee5501ab933400

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
Signature9B/jaZavnzAjmqkfrCETka0PDNesqWNnBvJLeS1NyXEltpk6jteAvtseQrC/o59slRfADy4YhGHLI6AvKc0gDw==
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

2026-09-17T10:05:27.211730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078677
observed 9b264ff6a7ddb5a8cf3a2775c0ee6566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.195492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078677/manifest.json
observed 94b2e31e523766b310bab4bb86a60ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.178349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078677/publication.md
observed cd17b47268a9c443b8f826f2405b49c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.161094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078677/publication.txt
observed b0cceabcbf061d8d7c308ec357ff75f0...
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.