OpenTechnical

OT-2026-000074833

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000074833) never changes.

Identity and time

Publication numberOT-2026-000074833 · never reused
Internal UUID01a0ae93-ac2c-7255-b435-b98433de05f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074833
StatusPUBLIC

Content hashes

Canonical text90a85d8e6d80c4bf037419722f61f50549e6ae5f12d4c3b2114faabe967db377
Markdown879a8a0140b035bed7e709356d70789430ed74f1821de0a33dc2a3441589101d
PDF
Publication page17da7d9de9f221dd981f8392a7e3e73673c684d0f1e7b4e95be5c59d6da5233b
Manifestb4973d34685530c5a6d542a26766f09ccab4422bff4dc5343859664804cf47b9

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
Signature/837rKtSmnKgMIXzRFfejUMpxNWbkeoYGmAk3Am/S57AzGlqsEb0n3Q/Lx9ZKSmJaP9rt/ZrAawaRtmWiW/vAw==
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

2026-09-17T10:18:32.599276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074833
observed 17da7d9de9f221dd981f8392a7e3e736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.582494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074833/manifest.json
observed b4973d34685530c5a6d542a26766f09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.564429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074833/publication.md
observed 879a8a0140b035bed7e709356d707894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:32.546614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074833/publication.txt
observed 90a85d8e6d80c4bf037419722f61f505...
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.