OpenTechnical

OT-2026-000043687

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000043687) never changes.

Identity and time

Publication numberOT-2026-000043687 · never reused
Internal UUID01a0ae7b-92d0-79e9-b443-6dcd2b6d8c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043687
StatusPUBLIC

Content hashes

Canonical text9fbca14918937cf9b98fbb8d9ce8ccd7286f791a0edf3fb072e7920f8d2f8684
Markdownea03dc827de9086e8ccddc26e11748d394c6ded15a35b9029fe3f96044cc1259
PDF
Publication page2ddd1d0ca7a57e6706783352defb29b0ce70a7f77c108879e24f4c0a7bfd0560
Manifestf5e3f43f77daa3a4c5b08ef95bdaa1e8843d097c422faa03755e71d329dc1b52

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
SignatureBZ1aBL2pHpumqbWCi7wqnXNA2aUlxk6w006IVZWBMNtP340Jffrn6frbHBhHQ7W9zev2haxWtJbzNYsRKGWFDg==
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

2026-09-17T11:13:10.726975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043687
observed 2ddd1d0ca7a57e6706783352defb29b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.708917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043687/manifest.json
observed f5e3f43f77daa3a4c5b08ef95bdaa1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.688787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043687/publication.md
observed ea03dc827de9086e8ccddc26e11748d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:10.669792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043687/publication.txt
observed 9fbca14918937cf9b98fbb8d9ce8ccd7...
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.