OpenTechnical

OT-2026-000048971

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000048971) never changes.

Identity and time

Publication numberOT-2026-000048971 · never reused
Internal UUID01a0ae81-134c-7e6c-a4eb-88e962c3e01e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048971
StatusPUBLIC

Content hashes

Canonical text9a923ad583e61b8467416d8ccd6f6f81480eb528e4016cea3df1bb7e7dc8dfa1
Markdownd28609e2ab20c9e5574f293f5748aa5c5e23b8406a61961319aa306308734d1c
PDF
Publication pagec9a6d751dfde0ce7430ff7cfcf007bcc1957c3c86cbd691a8f781737ed535f28
Manifest1bf986ac4e4fa0e3bf82b17df77dc557399e892722226410c5a84cc54df60d5d

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
Signaturedh9cuHcsPp5biyvDqUdSctYwwKxLFpUoYJ+jEsdsxzQ+K9Hk4gyN4GkhJm5BTsEwWfxb3M2Ka7CsF0UJeKVxDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:10.285336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048971
observed c9a6d751dfde0ce7430ff7cfcf007bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.264214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048971/manifest.json
observed 1bf986ac4e4fa0e3bf82b17df77dc557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.246455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048971/publication.md
observed d28609e2ab20c9e5574f293f5748aa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.228177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048971/publication.txt
observed 9a923ad583e61b8467416d8ccd6f6f81...
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.