OpenTechnical

OT-2026-000078809

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000078809) never changes.

Identity and time

Publication numberOT-2026-000078809 · never reused
Internal UUID01a0ae95-ccbd-7de0-a54c-6941f7dea8b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078809
StatusPUBLIC

Content hashes

Canonical text2a0decff7e4daf91c031d24985c0977d176f9cc3663ab2417189d40abd255429
Markdown36c95783293b4c740cfe9c3df0569c159fd89f5a3453ec8a27c46f033bdb587b
PDF
Publication page91625cc18d37c43f796106b01099ab175f7c4f6c9c41eeff3168f671109a33f7
Manifest10b6b09cccf23f3a8d463ca5cf6a3927824f85dacf767b666b7c805135c78c30

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
Signature8AxjNAqpSrGlAy66B9zGzZ4ySroEtsfO8nVqwrA3F7kF8UIFiAB4+jgcnkOuhqDHIffynLOJomDu5bf1Cm1OCg==
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

2026-09-17T10:05:36.010802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078809
observed 91625cc18d37c43f796106b01099ab17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.993738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078809/manifest.json
observed 10b6b09cccf23f3a8d463ca5cf6a3927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.973811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078809/publication.md
observed 36c95783293b4c740cfe9c3df0569c15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.954190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078809/publication.txt
observed 2a0decff7e4daf91c031d24985c0977d...
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.