OpenTechnical

OT-2026-000079399

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000079399) never changes.

Identity and time

Publication numberOT-2026-000079399 · never reused
Internal UUID01a0ae96-0b91-76e6-9513-2add218a9c43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079399
StatusPUBLIC

Content hashes

Canonical text1b65054b483b3bd863a711af72d590f68c7e440f846a998e6314887badbb14b8
Markdown11b1c357560acbc30bbfd649a684757690fa1ea109c28706c8f81d52914f6bab
PDF
Publication page265b703b1c59bdf0168ccb7786183fdfe528e01253f0573bea2c4fe9202e8eb4
Manifest52a4020ee22565a589637d63b6af409b0484a22a835763e6a58ef77d75cb23fc

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
SignaturegfEPl1mGL/yWeVQOCS4XjqkOk5TyowqNtH3kIoEnzXA7dMl+s750AklTGx7A1oIjxXbnXeCwD6b9CGvkMXUaAg==
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

2026-09-17T10:04:43.372860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079399
observed 265b703b1c59bdf0168ccb7786183fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.356157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079399/manifest.json
observed 52a4020ee22565a589637d63b6af409b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.339916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079399/publication.md
observed 11b1c357560acbc30bbfd649a6847576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.323042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079399/publication.txt
observed 1b65054b483b3bd863a711af72d590f6...
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.