OpenTechnical

OT-2026-000073977

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000073977) never changes.

Identity and time

Publication numberOT-2026-000073977 · never reused
Internal UUID01a0ae93-2b8e-7279-97a7-f3c3640716eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073977
StatusPUBLIC

Content hashes

Canonical text9756882da33bf1129cbacdb9db533704b31949d9b07c0fb558c095f2eda5680d
Markdowne1b712fa04135a9c35cf68703347b3cc2c521d0fa96623a2d6176495a2b57eac
PDF
Publication pagee079adcce7893eaf608a4f3f2d26ae3e1d6fbb0e6dca107ab4c0d303b35f3389
Manifest1aa05465f31718e9e67c3beeba955de3b37145ca4669bca2b9773b2c59a70d2f

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
Signature1Q40dBkM/MJYNLOJ9gNnr7Ph9NkklOkgH5GsqIQBdroiwrYz3dG/j44ikb+It6ODKWv9GHOMXRZ5ixyfWcwJAw==
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

2026-09-17T10:20:16.352463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073977
observed e079adcce7893eaf608a4f3f2d26ae3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.334217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073977/manifest.json
observed 1aa05465f31718e9e67c3beeba955de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.314541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073977/publication.md
observed e1b712fa04135a9c35cf68703347b3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.292825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073977/publication.txt
observed 9756882da33bf1129cbacdb9db533704...
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.