OpenTechnical

OT-2026-000072039

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000072039) never changes.

Identity and time

Publication numberOT-2026-000072039 · never reused
Internal UUID01a0ae92-47c1-79f1-a56d-2b98960bc2d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072039
StatusPUBLIC

Content hashes

Canonical textc2ac7c9644b569ae7a1bd0cacd556a936085b502caab86eb94068a867f977041
Markdown9e9da9bb2d184a3820536d6e1e02bac45c0279b852795e5e1eb7bf452a799d1f
PDF
Publication page3c4f458eb46b0d10cd768f176f45d9ba029ad06fb9e5940762020c99d2224c3f
Manifestbb4b4184ff11a4778b7938322241ecbfbd24fd24c5e8245144b482e2fbb95b7d

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
SignatureUTc8QaLK5mJlNu8jhhuu5SnAYpsmz7fU+TX8AkWSb73QrIFa/iJucg43XVOiVv5WduCeuUQKErt1GM7Vb3RhDw==
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

2026-09-17T10:23:06.265106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072039
observed 3c4f458eb46b0d10cd768f176f45d9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.247340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072039/manifest.json
observed bb4b4184ff11a4778b7938322241ecbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.229731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072039/publication.md
observed 9e9da9bb2d184a3820536d6e1e02bac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:06.211879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072039/publication.txt
observed c2ac7c9644b569ae7a1bd0cacd556a93...
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.