OpenTechnical

OT-2026-000073363

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000073363) never changes.

Identity and time

Publication numberOT-2026-000073363 · never reused
Internal UUID01a0ae92-efb8-7b94-8fcf-4af1ecc150c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073363
StatusPUBLIC

Content hashes

Canonical text9a27e1e14f3aed9e372628c4e357501fdbfa54af5caf6d965f251f493159fa7a
Markdownc4c1648070b9ec11fb120c0d05ed70bd3b9ec1be3b0df4e3088466464293498f
PDF
Publication page3140192f840fafa7fb42d02222465025087de9fad8502a9fe8897d77ff325f87
Manifestccf2295a77c77fc0940bdc4f1b888cca8890abe484ceba0163d0f0005a83e286

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
SignatureCysA1Cvz64AhKboReFjkzg8axwnXNI+GuuTh6jJhbaDAkE95cH5TWmhBB3vrXIY1lfzXYk3emS7hWS+4HS6kAw==
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

2026-09-17T10:21:23.552359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073363
observed 3140192f840fafa7fb42d02222465025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.535095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073363/manifest.json
observed ccf2295a77c77fc0940bdc4f1b888cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.514648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073363/publication.md
observed c4c1648070b9ec11fb120c0d05ed70bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.495011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073363/publication.txt
observed 9a27e1e14f3aed9e372628c4e357501f...
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.