OpenTechnical

OT-2026-000075455

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000075455) never changes.

Identity and time

Publication numberOT-2026-000075455 · never reused
Internal UUID01a0ae93-f201-71b2-ba8c-e389fe3ec359 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075455
StatusPUBLIC

Content hashes

Canonical textaa35b9b47813d457a469883ea8f646c098959b0c597eafbdc4551d207df8d2c4
Markdowndf1928cd84dc7284bc04ee092f21ad3b85dfe1169df568c2861124114fc992bc
PDF
Publication paged028f7ed7b8debcd21a4792cf5f575c04e4006a5f9b6661482931ca10a531be6
Manifest28ada469078e3d970278526c3be201d31277210fe85b746a9a45846d749466b5

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
SignatureSqIDqsnwhhfXbEy1a0V7Djq63blxtycK5PotBhWm/p1x7odqfFy+lyfY3TceMlhrOO0wWW3xS1BfPH2p1eu0AQ==
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

2026-09-17T10:17:43.495492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075455
observed d028f7ed7b8debcd21a4792cf5f575c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.476405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075455/manifest.json
observed 28ada469078e3d970278526c3be201d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.456732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075455/publication.md
observed df1928cd84dc7284bc04ee092f21ad3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.313893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075455/publication.txt
observed aa35b9b47813d457a469883ea8f646c0...
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.