OpenTechnical

OT-2026-000073164

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000073164) never changes.

Identity and time

Publication numberOT-2026-000073164 · never reused
Internal UUID01a0ae92-efb6-73a8-bdba-4c83f024f3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073164
StatusPUBLIC

Content hashes

Canonical text9187d2f3dccb118087fc0eef56574cd46d46bb13ea7244a6eeffa59bb8244ce1
Markdowndf1a7eaa938daa3eb2d7ad46eb7a1c72b8f6a43aded0c50e7dc56cbc0d1e37b5
PDF
Publication page8bca242474de4448260d0023fd2a1857b275a3da0aaa53e2922839bc1cad5efb
Manifest9d10c5d6134a40b05a5b4682cd715a3ca164a96aef23b06299f19693747aa61c

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
Signature6WDCWe/z6oiMO4ZIPsb4GAw9HHqVWoP0CY1wNIMssNFobQgf6Npeq0isONQd/MfLu7ISDt/fc6PzKdo50hZfDA==
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

2026-09-17T10:21:06.649359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073164
observed 8bca242474de4448260d0023fd2a1857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.629495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073164/manifest.json
observed 9d10c5d6134a40b05a5b4682cd715a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.612240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073164/publication.md
observed df1a7eaa938daa3eb2d7ad46eb7a1c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:06.593035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073164/publication.txt
observed 9187d2f3dccb118087fc0eef56574cd4...
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.