OpenTechnical

OT-2026-000032085

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000032085) never changes.

Identity and time

Publication numberOT-2026-000032085 · never reused
Internal UUID01a0ae74-bad3-7ef6-a97f-aa32a84cbda3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032085
StatusPUBLIC

Content hashes

Canonical textb2373a2adac46115672b82fd5eef750d1db86c66c0f6aa6aa9d5de6226328278
Markdown80f49a6f9a95d50ea3fe6a8a4319d6954ce90f908eebf6066b21a9b2339bc9fe
PDF
Publication page985e0f56f7dddf5ccf4f09570e091c4e2a1ecaa6d0b152415c96f39c635de278
Manifest71ec4beadc830467299f2b6dc67d76c5897710d75b53d62841ea69f4aa23df7f

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
Signaturec610Ic3JwyqiQd6In4phLOaYXD3ni0vW37xUkG/iu719D8JmW0nenN5IMCQZe2v/ese95rFc9G88RCUYDPYEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:30.529367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032085
observed 985e0f56f7dddf5ccf4f09570e091c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.510676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032085/manifest.json
observed 71ec4beadc830467299f2b6dc67d76c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.492225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032085/publication.md
observed 80f49a6f9a95d50ea3fe6a8a4319d695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:30.472979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032085/publication.txt
observed b2373a2adac46115672b82fd5eef750d...
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.