OpenTechnical

OT-2026-000071535

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071535) never changes.

Identity and time

Publication numberOT-2026-000071535 · never reused
Internal UUID01a0ae91-e0ee-7b13-9296-632a39b0e3ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071535
StatusPUBLIC

Content hashes

Canonical texte343e405f3e322c6eeae28fd6fa73017fae2d4505da50c8ad8306702e7f0e65b
Markdown1b2223bfdbba36ae662d1be679c5948d48752e05f7581c77335709c3084bd609
PDF
Publication page59c53dea1b72f0a14aeeb28a8c49c439dcb5c75fad0ecb5dcf5e82f632b75618
Manifest62e7a511d457b39b5520f254534883a513ab476b60b9fa7c681568a3a108a64b

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
Signature1kw5Gr36RHhYhAJQap8l5OnD8+Ud+HRfXBV1b6yYRgd+Q3PYKvD8ohRFaWvWGXzHQdaxC/AiO4tNgeE+PAG6BA==
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

2026-09-17T10:25:11.256829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071535
observed 59c53dea1b72f0a14aeeb28a8c49c439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.238967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071535/manifest.json
observed 62e7a511d457b39b5520f254534883a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.221555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071535/publication.md
observed 1b2223bfdbba36ae662d1be679c5948d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.203282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071535/publication.txt
observed e343e405f3e322c6eeae28fd6fa73017...
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.