OpenTechnical

OT-2026-000088690

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088690) never changes.

Identity and time

Publication numberOT-2026-000088690 · never reused
Internal UUID01a0ae9b-8f0f-7d09-95eb-e34009ef1dc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088690
StatusPUBLIC

Content hashes

Canonical text4787f7eca6d13552219df44b3d16fc333714cf1326fa8d59df27025e961fde6a
Markdown4899956913fdca9af88225614b22258a3649ca700499f899bb5b23e2c2bdcbc9
PDF
Publication paged558f530011e8115a2722117d9ce70b00c21db4f2a3635e424f7ba9886fe1776
Manifest635309aacbf7d30d00a58efaf38d34078da52f560ed2b4de1145dbd806291bb7

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
Signaturebn5R6m6YGuPyqKq01VahankXoJU45jloOsdM1viB4p1L1zHSD4NDsjP+01fRYvUm0NHyhelu0UjTT8QetRK4Cw==
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

2026-09-17T09:47:55.348549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088690
observed d558f530011e8115a2722117d9ce70b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.330750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088690/manifest.json
observed 635309aacbf7d30d00a58efaf38d3407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.312942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088690/publication.md
observed 4899956913fdca9af88225614b22258a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:55.294877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088690/publication.txt
observed 4787f7eca6d13552219df44b3d16fc33...
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.