OpenTechnical

OT-2026-000070219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000070219) never changes.

Identity and time

Publication numberOT-2026-000070219 · never reused
Internal UUID01a0ae91-1862-72ff-9b31-2a6577ccb089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070219
StatusPUBLIC

Content hashes

Canonical textf1e5b0fdfffba751e682fb1662d4d2bd42cd0964c1e1ad6155e6916a12bb985d
Markdowne76489cc452a10c7cff2c0ce2d5a81b600e6890dc72c7df0e7fe574a1eda54c3
PDF
Publication page2e26cf9fd6fe2ada5b0d471c039dacd6e53e9c97932c957a6cd6272eee867f8e
Manifest473371d51c3337c494280fa720e4cd10e38ec47c69fc4c546ac1620463ac6fc6

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
SignatureThbaAQ7xGwerdM1508CMlwFXpQyewoNJGHkVG3j7C/GNuu5UMwVI6fnWje4rqdrsAA4CSnAv9cTG21mV1k7iAg==
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

2026-09-17T10:27:16.503440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070219
observed 2e26cf9fd6fe2ada5b0d471c039dacd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.488174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070219/manifest.json
observed 473371d51c3337c494280fa720e4cd10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.471723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070219/publication.md
observed e76489cc452a10c7cff2c0ce2d5a81b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.453285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070219/publication.txt
observed f1e5b0fdfffba751e682fb1662d4d2bd...
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.