OpenTechnical

OT-2026-000078209

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000078209) never changes.

Identity and time

Publication numberOT-2026-000078209 · never reused
Internal UUID01a0ae95-7c26-78d0-adeb-8325dc84959a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078209
StatusPUBLIC

Content hashes

Canonical text04eb0e9e2f80917dd6adad473b552d5719b203748ff0229a233c5b1ffa4d2e9d
Markdowna9f6009b472ac90b5ab01f7777f7f535e9eddd22883dc77fbad586f41e7dbaf0
PDF
Publication page3c8ca2958f17816a8ab2be52785e8dee438cae4fbe7200b3f7eac176cbed4ad1
Manifest5f55b310cff971e4795367dcf19d3aab01cc6992817b54b65c25240c05e561dc

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
SignatureAWBnNIpfu1VrecdQDtIWipg0Wig5L8WgCVblC2kXVgxI7Ed9vviFHkZhzCIpX1qWAk3htBQvsSsMZtm40vQBDw==
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

2026-09-17T10:06:09.405953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078209
observed 3c8ca2958f17816a8ab2be52785e8dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.387279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078209/manifest.json
observed 5f55b310cff971e4795367dcf19d3aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.368543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078209/publication.md
observed a9f6009b472ac90b5ab01f7777f7f535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:09.347388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078209/publication.txt
observed 04eb0e9e2f80917dd6adad473b552d57...
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.