OpenTechnical

OT-2026-000066033

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066033) never changes.

Identity and time

Publication numberOT-2026-000066033 · never reused
Internal UUID01a0ae8e-8dc2-7382-ba5d-d10cb37f8fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066033
StatusPUBLIC

Content hashes

Canonical text8e01b9f6776e29691b5f203df4d873c871b95a7f0ded9e072d3780e58e181726
Markdownaf156a5fb49cdfa4b3488b6aa2c374a0e62bb0123da4d039dc90be4049c0bc99
PDF
Publication page60ea93bb5f493ec6ee18e385a51a3a280722313a77e1ed4ffa90da122eee5268
Manifest0a4253705c26e72a35c353995b77e0b3f60ad260de26a16cf77f903e45698df1

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
Signatureoyyg1wvrkaprPEybvJ/TKhpR+OuE0uVsbEZ2AQodzmDNfIGlkAIqvcFNEZPaZIt1zk2SK2OpcmQpmt6lgqPdCQ==
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

2026-09-17T08:50:37.067727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066033
observed 60ea93bb5f493ec6ee18e385a51a3a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:37.049727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066033/manifest.json
observed 0a4253705c26e72a35c353995b77e0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:37.003003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066033/publication.md
observed af156a5fb49cdfa4b3488b6aa2c374a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.833880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066033/publication.txt
observed 8e01b9f6776e29691b5f203df4d873c8...
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.