OpenTechnical

OT-2026-000076881

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000076881) never changes.

Identity and time

Publication numberOT-2026-000076881 · never reused
Internal UUID01a0ae94-b070-718a-9223-c4f755e970ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076881
StatusPUBLIC

Content hashes

Canonical textbe30502b44fedce06c8205a1d5020e087e00a0189bb194248da3d0cdc765431a
Markdown014a7cc90f5d43fb4174b30e074cdbcdf2c16671e44238bd55b0be9dd751d948
PDF
Publication page18eabd4b96bcd7f034b09350dfaf81efb0ab23b962e026119feab87ba161fb94
Manifest60825e4a55ef990af91ee90f20bc3aae1392e0307d278dcd29137b2ef324c218

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
Signaturemj0iRIrfUAgHXalzgz3NqAiypY9PfzcLWWfth92OUPdY51oWOxLGythRybQkVbI87Q2fJpZ/SHPq28bOAhpMBA==
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

2026-09-17T10:09:47.031518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076881
observed 18eabd4b96bcd7f034b09350dfaf81ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.011493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076881/manifest.json
observed 60825e4a55ef990af91ee90f20bc3aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.991698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076881/publication.md
observed 014a7cc90f5d43fb4174b30e074cdbcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.972662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076881/publication.txt
observed be30502b44fedce06c8205a1d5020e08...
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.