OpenTechnical

OT-2026-000101774

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, pulsed blow-off 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-2026-000101774) never changes.

Identity and time

Publication numberOT-2026-000101774 · never reused
Internal UUID01a0aea4-0e17-7413-a6b4-5bf350c5c03b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101774
StatusPUBLIC

Content hashes

Canonical text8d7fa10d5031df7b38fa4b4ec045a19e90c3d60862bbbc57b0c8ec4e039b7248
Markdownc874d8a70f2d4d707d8335914db86a488c1a970153c31131e6639637dd905204
PDF
Publication page7ecdd49663b9c437c0f2354cdadfacea40869c62f6499f49db9a571dd7605673
Manifestb3531b6622d35a35d7535c7c139d25dcf8bfa03336a206964d1caa8822052ff1

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
SignatureGkxp0+LGp7exyessyTq70bPuK5wyjbBvZAyv/fvyAXXYwsWVgaDOpvN6tUAEUJiZNIsHGig0OLJfKdKv05cKDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:16.060261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101774
observed 7ecdd49663b9c437c0f2354cdadfacea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.043449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101774/manifest.json
observed b3531b6622d35a35d7535c7c139d25dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.026247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101774/publication.md
observed c874d8a70f2d4d707d8335914db86a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:16.005824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101774/publication.txt
observed 8d7fa10d5031df7b38fa4b4ec045a19e...
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.