OpenTechnical

OT-2026-000065787

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000065787) never changes.

Identity and time

Publication numberOT-2026-000065787 · never reused
Internal UUID01a0ae8e-46fb-7b8f-863c-3b0a44187826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065787
StatusPUBLIC

Content hashes

Canonical text988160eb4aacfb04795aff852226de0fb41998adc81e4a8a4b8cca0fe32187e3
Markdowne8a6560e049444ca1ddbd3b358da6fe96f8a988caee1457944c0175a2af3b9de
PDF
Publication pagedcd041f704de8bcc1cf9b2d7a7c2a863f3f5de4ca1cdd55f4638ea3d1f53f7f5
Manifestcf18593722d1f3707575df2e8e24092db0476b1ac0b720eb1f65ef58c99784c7

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
SignaturejzPFdsN5+x6KQw0aFntwCeCUhabo7HU2fg6WsQpoHi0Tao+7OPgnQKpkW+Xrmq/F6rO251yxFqPpP24FUgGvCg==
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

2026-09-17T10:34:13.549602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065787
observed dcd041f704de8bcc1cf9b2d7a7c2a863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.531789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065787/manifest.json
observed cf18593722d1f3707575df2e8e24092d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.514131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065787/publication.md
observed e8a6560e049444ca1ddbd3b358da6fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:13.497123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065787/publication.txt
observed 988160eb4aacfb04795aff852226de0f...
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.