OpenTechnical

OT-2026-000072579

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072579) never changes.

Identity and time

Publication numberOT-2026-000072579 · never reused
Internal UUID01a0ae92-89d8-76ac-b126-1022359a7a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072579
StatusPUBLIC

Content hashes

Canonical text73cb2b207a55e45e2d50df4962bbebabefe4dc7c79b94772212637a61634a5e1
Markdown8da5b112b743d925de6a4bb6ee8667064f01c7f1c7abdee8690c530541ce7c70
PDF
Publication page1ce3fa4028ca6ce6fa5f44368e4c70cf43d30cee759e18f91f51db973f5ab8a5
Manifest515b5ba4b57044a536d1fa41b8446bd92c681fef4f4ee691673cff79779b697b

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
SignaturezvMI6qws4PD3ZkQ9BrhlQzG5YW/avLgNH1rnMEvlebcNTE0Hr8AbsQC4lDUp8k9CJS5l7waRUKhuMgey4ETADg==
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

2026-09-17T10:22:25.235331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072579
observed 1ce3fa4028ca6ce6fa5f44368e4c70cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.218071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072579/manifest.json
observed 515b5ba4b57044a536d1fa41b8446bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.199236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072579/publication.md
observed 8da5b112b743d925de6a4bb6ee866706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.182167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072579/publication.txt
observed 73cb2b207a55e45e2d50df4962bbebab...
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.