OpenTechnical

OT-2026-000038739

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000038739) never changes.

Identity and time

Publication numberOT-2026-000038739 · never reused
Internal UUID01a0ae78-769e-7f93-bf98-c517f5e14a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038739
StatusPUBLIC

Content hashes

Canonical text89f092700fff55f8738aeb5aefe67b4c1009b8b761897f8c4dc7b93671961ee0
Markdownff0166a3e2799d720ae27b9d1077e467f0da1c78920e7d8e157dcd9d1a8408cb
PDF
Publication page84c3709723c7df471a193949d7c1ffcc99b02fbf5f72ba3ba2974c4ebee846c6
Manifest8411b350973833c127b2a2192c6e18378c40111fa51f2bf00f54f5bdcdd4bfae

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
Signaturekuh5ldoBoPEbgniSXCfNBotvtqp6bueQqazmhQu00Vhx8XlL51I0gK5FuH/BXWQc77URDI4gQXaQAm8eoeplDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:16.268066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038739
observed 84c3709723c7df471a193949d7c1ffcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.249935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038739/manifest.json
observed 8411b350973833c127b2a2192c6e1837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.230718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038739/publication.md
observed ff0166a3e2799d720ae27b9d1077e467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.212406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038739/publication.txt
observed 89f092700fff55f8738aeb5aefe67b4c...
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.