OpenTechnical

OT-2026-000063762

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000063762) never changes.

Identity and time

Publication numberOT-2026-000063762 · never reused
Internal UUID01a0ae8c-f946-7914-afa9-3f7e14472c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063762
StatusPUBLIC

Content hashes

Canonical text6024ba2545816b1618d7a3f7d5094e767a5758569093c58aa54b49702cc1ed12
Markdown0b85511f8ca6b8a043270517add46e0bd320cac69bdce6427b290d95bf355ca8
PDF
Publication page971458187aa7b26e4bbdfec4a608bd941407d8e7c04a699d484dea927d5b6c3f
Manifest61c5ee7ec81292ddede5ebd5cf59e06fb075c699727ad6c19ef1047752dc5071

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
SignatureTnZhm1EFiy4gcS0xw6hST2CDZ/Q94RcaSYH/aKtRIF+PfGsVLXfmDvaeScOSkwtzv3mlqqb0bdLpVLmJFFvPAg==
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

2026-09-17T10:37:54.033973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063762
observed 971458187aa7b26e4bbdfec4a608bd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:54.015992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063762/manifest.json
observed 61c5ee7ec81292ddede5ebd5cf59e06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.997499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063762/publication.md
observed 0b85511f8ca6b8a043270517add46e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.976925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063762/publication.txt
observed 6024ba2545816b1618d7a3f7d5094e76...
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.