OpenTechnical

OT-2026-000072679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000072679) never changes.

Identity and time

Publication numberOT-2026-000072679 · never reused
Internal UUID01a0ae92-89d9-76b8-81d4-b34f91ef2ad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072679
StatusPUBLIC

Content hashes

Canonical textc42ac96dd46c913ce2f0600092d5f83b50ab29917f634ddc0eb4dfde6426942a
Markdowne4786b85ee557dbdc83419369ed451d78013980d3f3239b9feb2cb291998e255
PDF
Publication page43413dc17764573dc97d4e6051e0b2be7296c3946664c264a9be68111cf46f43
Manifest89c11b6ce7a7132a686f4e7b3965d4ff0942b11179c3fc25293bb3a5127d1c93

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
SignaturerMwIHrENPyIbPY69szysS8vyZfPDsKR2CTGwtaqEe+eRAY7SWONs+flYLjLqk/6jmBzZTMi3cNbwpLXl08MUBQ==
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

2026-09-17T10:22:32.793134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072679
observed 43413dc17764573dc97d4e6051e0b2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.777247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072679/manifest.json
observed 89c11b6ce7a7132a686f4e7b3965d4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.760391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072679/publication.md
observed e4786b85ee557dbdc83419369ed451d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:32.743464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072679/publication.txt
observed c42ac96dd46c913ce2f0600092d5f83b...
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.