OpenTechnical

OT-2026-000031834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000031834) never changes.

Identity and time

Publication numberOT-2026-000031834 · never reused
Internal UUID01a0ae74-bad1-7f2f-9779-fbff54666a9d · 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-2026-000031834
StatusPUBLIC

Content hashes

Canonical text9fcee68d0959d50fa811e0a57acba74c5b5fe6c5070b6ad33cd9087e111eae56
Markdown29ac477bd27a93f107752a3a5c835a446f245a1a44b97d27a379d50037e132b1
PDF
Publication pagedfa07c7a72cc9190e722357d4a4df33ac4a2a3cbec636559bdf81e5b1e51bf30
Manifest01e22a5815331d8c3e1b20aac0410096c57f1b749f6ba4573cd2ef1fcbc2b5bf

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
SignatureCVmFm13U1d5k9NRWB1rVrZuckOqQgNXmrPNvz5PctsM56PfqgbMX4pQo5IKRKW3wMGK2fWH1/REUq8CqsR8hBA==
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

2026-09-17T11:35:04.779056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031834
observed dfa07c7a72cc9190e722357d4a4df33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.761253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031834/manifest.json
observed 01e22a5815331d8c3e1b20aac0410096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.740844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031834/publication.md
observed 29ac477bd27a93f107752a3a5c835a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.722924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031834/publication.txt
observed 9fcee68d0959d50fa811e0a57acba74c...
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.