OpenTechnical

OT-2026-000104394

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000104394) never changes.

Identity and time

Publication numberOT-2026-000104394 · never reused
Internal UUID01a0aea5-3421-73f1-83c7-f4b0fe43b78e · 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-2026-000104394
StatusPUBLIC

Content hashes

Canonical text1fc7f96c8940f7cf33b3186a852ce4aba2c1821e62e6fd4b8615f35ba554d439
Markdown20ba80873e5a42bf8205491356b90519bff94f1af45ff9da4b5b7c7793d29240
PDF
Publication pagee9c67dc49cae1a7c4a2e8adcc167eed2f156f8bd53568d559679f21ba1ba33a1
Manifest0f74895ff438e208dea74ea9e4a112743044cce1a7fe0c33953123349e8d6970

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
SignatureJvaDq6tPRbHxdHrixsnrvjfF+TBFY0dCtGG06FJZdSDTQJkaRVLWUVxM1fqEOxwVkhkacMZHsqxZbg0SiG9pDA==
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

2026-09-17T09:21:39.708051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104394
observed e9c67dc49cae1a7c4a2e8adcc167eed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.689271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104394/manifest.json
observed 0f74895ff438e208dea74ea9e4a11274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.669850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104394/publication.md
observed 20ba80873e5a42bf8205491356b90519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:39.651847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104394/publication.txt
observed 1fc7f96c8940f7cf33b3186a852ce4ab...
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.