OpenTechnical

OT-2026-000102720

Publication integrity record

Three cup vacuum gripper, three 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-2026-000102720) never changes.

Identity and time

Publication numberOT-2026-000102720 · never reused
Internal UUID01a0aea4-858b-766a-b055-e2454bbf64b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102720
StatusPUBLIC

Content hashes

Canonical texte8707d390fb3ce193f19aecfd8ba88c023740a3454e4a95684474f16e7f82362
Markdown525217fb26df4ce3e7dd7df218c5057292058f5d4cd229c3688f55a94e9c5dda
PDF
Publication page0d0f1c08d805b72ce161254e46a5a613b5679be509da3b0fde2eec0e5583dfb0
Manifeste63a4c152bef3b2b54f803c78230e05cb4f8c2579a69f81277096fd853b6e48a

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
SignatureS2bkefXLMPilMIknuT9tKy36C8VpfbG23s8p6/noEi5bXwoZO64UrJwYsdqQopqDiP5h+eoEBaqBRoFfInzvBw==
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

2026-09-17T09:23:40.510418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102720
observed 0d0f1c08d805b72ce161254e46a5a613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.480969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102720/manifest.json
observed e63a4c152bef3b2b54f803c78230e05c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.462115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102720/publication.md
observed 525217fb26df4ce3e7dd7df218c50572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:40.443939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102720/publication.txt
observed e8707d390fb3ce193f19aecfd8ba88c0...
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.