OpenTechnical

OT-2026-000082928

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000082928) never changes.

Identity and time

Publication numberOT-2026-000082928 · never reused
Internal UUID01a0ae97-8cca-797d-bc3f-129b70a0d29b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082928
StatusPUBLIC

Content hashes

Canonical text22c13d466772c2ccb632c67a76d5ea6c1ccd129bfde68d5fe9968edf5d831676
Markdown1b4d01a29013b6aeb10e7a8f98b1501e8a5f9735c0abb83a050ec70905b8ee70
PDF
Publication pagee24cad20d5e7573820d5e61baed7d5ec36529653c0496e78f47dfd2987256b91
Manifest986f0de3363e94a7ee6bcc8489e035611b0d379d3338d81e8b7d626e8eada445

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
SignaturexdkdCI2q0qa7p3EtXnIFBayDLkw1FoLas+EK5vYSJNTWR1aALwdbaCnkjDMqhh8doynJIuKL3+pMn3f5rVyDAw==
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

2026-09-17T09:58:37.260713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082928
observed e24cad20d5e7573820d5e61baed7d5ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.243494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082928/manifest.json
observed 986f0de3363e94a7ee6bcc8489e03561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.225866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082928/publication.md
observed 1b4d01a29013b6aeb10e7a8f98b1501e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.209074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082928/publication.txt
observed 22c13d466772c2ccb632c67a76d5ea6c...
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.