OpenTechnical

OT-2026-000062173

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000062173) never changes.

Identity and time

Publication numberOT-2026-000062173 · never reused
Internal UUID01a0ae8c-0abd-7876-9190-bfbbd8cbbcab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062173
StatusPUBLIC

Content hashes

Canonical text4c935321d75acb833d9ec27259fcfbeac75664efd31bd62ada04d2011ae20d6b
Markdown0fef84b74edb06436b9dc465ffcee4e19b8f86abb2a5feab5f11c505ef107de5
PDF
Publication page943b71fa3ca7c01eb9b5473e9a70d0eca82ef57a29ae290632c238ed451cf057
Manifest200239421372aa122343a997e046b478c9501fa826f1f1646526621d626da678

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
SignatureXvaFV2QgRl/tmz8xKBGAtG5rnivPNAVsWzI6kMoBhEMJvemfjzZU6rQ65n9wcpHsHBFcyS8HlBoUs/54YQlzDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:25.710328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062173
observed 943b71fa3ca7c01eb9b5473e9a70d0ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.692021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062173/manifest.json
observed 200239421372aa122343a997e046b478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.673823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062173/publication.md
observed 0fef84b74edb06436b9dc465ffcee4e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.654460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062173/publication.txt
observed 4c935321d75acb833d9ec27259fcfbea...
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.