OpenTechnical

OT-2026-000078533

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078533) never changes.

Identity and time

Publication numberOT-2026-000078533 · never reused
Internal UUID01a0ae95-7c29-7bd6-a70b-a19421d64e0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078533
StatusPUBLIC

Content hashes

Canonical text8bbf2490b4dca00d0962f20594b77554c5f8350dac05d10b42e14581e8697ea9
Markdown8c0c44eb097c8dbd193c8f213c844a3d4d76b5fafb2138159e8211ab903ae9ef
PDF
Publication pagee02933c4c42539019fb63f165132db8107a0502b631f52961cc13f498bd86515
Manifestc098fca702e009d8bd576ccde7f9340d1b36f033a1e69a39af6726400e8c41bb

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
SignatureD9wwj9vZyamWsO2kYdPTAubjOc/Qku84UDEA3CLj076V3ZczhKVldH9Z7Ntyz0kZXHcoeIj+QZ5VqvLpAtjDBw==
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

2026-09-17T10:06:33.157558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078533
observed e02933c4c42539019fb63f165132db81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.140359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078533/manifest.json
observed c098fca702e009d8bd576ccde7f9340d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.122484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078533/publication.md
observed 8c0c44eb097c8dbd193c8f213c844a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.102569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078533/publication.txt
observed 8bbf2490b4dca00d0962f20594b77554...
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.