OpenTechnical

OT-2026-000102354

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102354) never changes.

Identity and time

Publication numberOT-2026-000102354 · never reused
Internal UUID01a0aea4-8589-7563-a9df-c77efe992e4f · 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-2026-000102354
StatusPUBLIC

Content hashes

Canonical text3fdd1759be9bfa194d01caf8c428f7dd2c6f6a7f6b16529077cf307bf7109345
Markdownabca0bc4aef3cdb41a017ee60154ad07c1e839fc5431f1b51a0fe1ed31fb730a
PDF
Publication page7224e6ba921572cbcc6830ae898576c78ffa7150e78d8f96e72d167b54eeba1c
Manifest10990c9d2df4a5637abe84709fb369aca419b90b5bf350517fbd7a2363a627cc

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
SignatureGC7DYvWlvuyOrQxlG5AttQcLjl+HpDggsiidbmM9ym8H8OUdD0qj2nXLg2BXj/8VYrq7x77hYJJKN0y1x/2eAw==
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

2026-09-17T09:23:41.396211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102354
observed 7224e6ba921572cbcc6830ae898576c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.378418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102354/manifest.json
observed 10990c9d2df4a5637abe84709fb369ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.360543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102354/publication.md
observed abca0bc4aef3cdb41a017ee60154ad07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.343011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102354/publication.txt
observed 3fdd1759be9bfa194d01caf8c428f7dd...
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.