OpenTechnical

OT-2026-000072788

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000072788) never changes.

Identity and time

Publication numberOT-2026-000072788 · never reused
Internal UUID01a0ae92-89da-7239-9e71-0b4fb1e87e7f · 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-2026-000072788
StatusPUBLIC

Content hashes

Canonical text8f950abd61fe5348f63ba355f63f43fe160351223aa0890f6c16b4ac381177a6
Markdown53719a225d750b433357a11ae1e389c282add239742225f6c4b8568aed7f2bfc
PDF
Publication page5ea24ea5adc3b345e7f4968dc3a4046290c889e4ca2d144595352e9b98445862
Manifestaa4a9c36c31e879720f77c26bdaef5f6f6beaedb768e065ede4337deee65ef5a

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
Signatures213DaJjSMiMpv5IRvXxpkhXMuraGgwi72CCy/IIwhlw/TzmJZO4g5TLIGv5GqzPyQKF7uTiqwng3KdlHxmUCA==
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

2026-09-17T10:22:41.969882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072788
observed 5ea24ea5adc3b345e7f4968dc3a40462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.952990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072788/manifest.json
observed aa4a9c36c31e879720f77c26bdaef5f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.935453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072788/publication.md
observed 53719a225d750b433357a11ae1e389c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:41.919405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072788/publication.txt
observed 8f950abd61fe5348f63ba355f63f43fe...
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.