OpenTechnical

OT-2026-000104493

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000104493) never changes.

Identity and time

Publication numberOT-2026-000104493 · never reused
Internal UUID01a0aea5-3422-7eab-ad6b-7f1c2825a6b0 · 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-2026-000104493
StatusPUBLIC

Content hashes

Canonical textdb635a4e1fbb13420df3b4f073971e96a1c7f3d9b2f22d98c1a873f6dbb221bb
Markdownbb9c7065eb4ebe4f00c914226968d13f870e8e654ac6e6dd6d2bf4b00e8c8107
PDF
Publication page6f1f8fcd0476db76ff82e6d14984230a8528df1de3c17aee98b97cf9992c8bd9
Manifestafaf04d3ca41b499cf1d3dc8f3ff933a44f02b0478bc52b2adeeb90d5587f9d3

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
Signature79dphI5pnl2lEFcIXQsCJ65D90dC3wcwQTR1mTkwM498pIekrEL+BSyO4Rk4sQMco4DS8jL9Of0k8Oin+MfTCg==
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

2026-09-17T09:21:47.075603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104493
observed 6f1f8fcd0476db76ff82e6d14984230a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.058581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104493/manifest.json
observed afaf04d3ca41b499cf1d3dc8f3ff933a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.040850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104493/publication.md
observed bb9c7065eb4ebe4f00c914226968d13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:47.021327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104493/publication.txt
observed db635a4e1fbb13420df3b4f073971e96...
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.