OpenTechnical

OT-2026-000067043

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000067043) never changes.

Identity and time

Publication numberOT-2026-000067043 · never reused
Internal UUID01a0ae8f-14fe-7cec-9f3b-44155ccf21ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067043
StatusPUBLIC

Content hashes

Canonical text2bba19f8b712f9fc305676246733a4d0fc27912dd3062d5596b0d1a025d6f1b2
Markdownca2f05ce854ec62f221013303e62e806fa6cfeb2326158a7ee9c89430cc17f93
PDF
Publication page5491b2f69020da0ec0c645d567bc4e816b4fc1603b380693a93864ff901ca9b5
Manifestda5f909c28f1f2f6959a379f26943a88fe40155b0226c2ce89276e571efe328d

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
SignaturejHoPUI/Hwex9rJ7ixkPUrRpYJKPAsvThL7gFSuLNpGbXIGoD+Q6v7Oes5AMvrK+sU07iD867sYpP4gS6w6c/CA==
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

2026-09-17T10:32:17.690123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067043
observed 5491b2f69020da0ec0c645d567bc4e81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.670661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067043/manifest.json
observed da5f909c28f1f2f6959a379f26943a88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.647920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067043/publication.md
observed ca2f05ce854ec62f221013303e62e806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:17.627933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067043/publication.txt
observed 2bba19f8b712f9fc305676246733a4d0...
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.