OpenTechnical

OT-2026-000073535

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single 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-2026-000073535) never changes.

Identity and time

Publication numberOT-2026-000073535 · never reused
Internal UUID01a0ae92-efb9-7a6f-bdfe-962131692f9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073535
StatusPUBLIC

Content hashes

Canonical textca68b6e859440269b44880470b40ae04155de541488da3755843c6da3f8845a7
Markdown9a57247000dd54c45c835b66ec0066a57245dff0179dedff6a8294f7b50a74d2
PDF
Publication page7450837957c3513de5fbf559fefdbca54f039e0a83b4e0467b29dc2d22782302
Manifest53d8dc6c2c1bef1b320efb1154ab41fe095319c39769be01e4086ca2e61de9c3

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
SignatureWT0dE5hN7oV6nPhGtffrAzkmhIfI1HMP5bezpxobXZG2UueXwiT8qapYfd9E88wo+uJ+KKdI3Gi929ADhdsoDw==
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

2026-09-17T10:21:42.516201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073535
observed 7450837957c3513de5fbf559fefdbca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.500256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073535/manifest.json
observed 53d8dc6c2c1bef1b320efb1154ab41fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.482046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073535/publication.md
observed 9a57247000dd54c45c835b66ec0066a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.463363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073535/publication.txt
observed ca68b6e859440269b44880470b40ae04...
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.