OpenTechnical

OT-2026-000070363

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line 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-2026-000070363) never changes.

Identity and time

Publication numberOT-2026-000070363 · never reused
Internal UUID01a0ae91-545f-79f3-b6c8-4fb0e244a44b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070363
StatusPUBLIC

Content hashes

Canonical text49e0b6fb252c420db5c843233e701b5aea261e7a78fbf8aa16633ac18e70f727
Markdownccdc9e94b434250ef3c744c368698754c74858fcccd91cdff2c08cae68b88720
PDF
Publication page83155af997330112058bb0a08f5db113d0de8d91e00cfcd42f09babdbf69f06e
Manifestc404b019f208076951ba39b304c9acb87922055ff715d2084d92ca6b70510368

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
SignatureN7Y/ct3onVXIIFXWL5EqArrwW8MWhThaFNLYoY0YGH9P8x96u3bkrbQv6hweczdZF5bQn/gAvGqjq8XHsJXGCg==
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

2026-09-17T10:26:09.815957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070363
observed 83155af997330112058bb0a08f5db113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.798144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070363/manifest.json
observed c404b019f208076951ba39b304c9acb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.780991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070363/publication.md
observed ccdc9e94b434250ef3c744c368698754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.762461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070363/publication.txt
observed 49e0b6fb252c420db5c843233e701b5a...
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.