OpenTechnical

OT-2026-000103723

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000103723) never changes.

Identity and time

Publication numberOT-2026-000103723 · never reused
Internal UUID01a0aea4-e462-7e5f-93d6-cc2da3564f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103723
StatusPUBLIC

Content hashes

Canonical text08bed369c747ab711ff90a40d08d972aa4bc1919808eab6fb42f3de6fb117358
Markdownbbedfe8ab08a9fbde8684b371d8ce8d41070db84fe8571f80bdc89d1c5784080
PDF
Publication page6291c2c40645fcf9808d317ffbab3dd954254123ed5621194e0238468cae035c
Manifest20b4af57955e5b56e2523c0d2d45835ca217952d9c20ffcaed26c605a7d7da7b

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
SignaturemtnNN53OcE2z8R06jcdxjWS9ieQRYJFQuusY3cX6T4TBPLsD4yf1RMKlEB/JHeqoPYwmlz9Q7dVrCbUE/InoCg==
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

2026-09-17T09:22:32.261293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103723
observed 6291c2c40645fcf9808d317ffbab3dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.244818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103723/manifest.json
observed 20b4af57955e5b56e2523c0d2d45835c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.228861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103723/publication.md
observed bbedfe8ab08a9fbde8684b371d8ce8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.210292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103723/publication.txt
observed 08bed369c747ab711ff90a40d08d972a...
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.