OpenTechnical

OT-2026-000104280

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000104280) never changes.

Identity and time

Publication numberOT-2026-000104280 · never reused
Internal UUID01a0aea5-3420-77ee-ba1a-9f2da9c8777d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104280
StatusPUBLIC

Content hashes

Canonical textc3b41ed84e95ed8865ce5040eabe9fe816c32715620d97f2cfbb1d8807911006
Markdown09790b37923c412f1f3dfc7173d404498c8528210246f98b066b8a0ea4d1a97a
PDF
Publication page31f3d5c11f4e6cd4fb50bfec111d51fe65e5786c771596ab0f2e4fe66247ea4a
Manifestfb3a9179a16d0abc5173a3794eea402cd22cd837e9679b8528fcd0bf76b5a932

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
Signaturesz7W6LszzhRB/rYKcIQ/+HKvf1bnlCuvtKoc/9jv4CKmUpyNkRsM3Ow6ojjRz6ziFTyBNGQfa/lp0lyuJy5SBQ==
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

2026-09-17T09:20:23.874948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104280
observed 31f3d5c11f4e6cd4fb50bfec111d51fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.858618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104280/manifest.json
observed fb3a9179a16d0abc5173a3794eea402c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.840076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104280/publication.md
observed 09790b37923c412f1f3dfc7173d40449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:23.820125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104280/publication.txt
observed c3b41ed84e95ed8865ce5040eabe9fe8...
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.