OpenTechnical

OT-2026-000084108

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084108) never changes.

Identity and time

Publication numberOT-2026-000084108 · never reused
Internal UUID01a0ae98-5b5f-78c7-956e-31f97870f506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084108
StatusPUBLIC

Content hashes

Canonical texta54ddc209d80e4768742bfc635ac16340d9625e889dc5e47002380c82fd64d9a
Markdown173d441601a701447bb941b8e801f0a78513a9a45d764625ae4912efd098e879
PDF
Publication page5dad8acd0a242bf3ed5d3c4490a8d850c3133145cd4fd63500be1abae1d8692d
Manifest9ef60df6b65f47f26c16d75d8e044ced0170120e4676b697217d439d948ff1db

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
SignatureCWONhCilIpMP3zuIpCdj2hqEgrghLSb/M+zuRNBu5pNWC1BumErLzzahCienhz7JyiQz6olcx4YKYY/6OooPCQ==
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

2026-09-17T09:55:51.871403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084108
observed 5dad8acd0a242bf3ed5d3c4490a8d850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.854174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084108/manifest.json
observed 9ef60df6b65f47f26c16d75d8e044ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.837238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084108/publication.md
observed 173d441601a701447bb941b8e801f0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:51.820199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084108/publication.txt
observed a54ddc209d80e4768742bfc635ac1634...
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.