OpenTechnical

OT-2026-000008780

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000008780) never changes.

Identity and time

Publication numberOT-2026-000008780 · never reused
Internal UUID01a0ae6a-e46c-7f09-bc4d-a9fa3880f92d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008780
StatusPUBLIC

Content hashes

Canonical textf3bf1ee06e983b494a2c4b6ae06d0982ca2fa210ef203a762f50de4b55484bc0
Markdown632997069306abf9fbc811028aecfe7bee67c45121a584831d937e4dc4e87dff
PDF
Publication pagefc9ba33332169288a84bf543bf0faa904c293c4ac4d4b7c1a43c29bf602e4b21
Manifestbe9464a28a0aaf9ae8d4e6c7eea4c6a1edaf9bfde3d640bbe6b120c90b752571

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
SignaturemUsO0fwClNWAO/5IV9r3qHYZZxbbXiRh2N9rfy5u3ERmuRZVGmRFhddrfEUwK9hTchQ54uR3zzRpdh+qg05ZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:52.968479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008780
observed fc9ba33332169288a84bf543bf0faa90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.949540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008780/manifest.json
observed be9464a28a0aaf9ae8d4e6c7eea4c6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.926035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008780/publication.md
observed 632997069306abf9fbc811028aecfe7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:52.907615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008780/publication.txt
observed f3bf1ee06e983b494a2c4b6ae06d0982...
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.