OpenTechnical

OT-2026-000095496

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000095496) never changes.

Identity and time

Publication numberOT-2026-000095496 · never reused
Internal UUID01a0ae9f-8f73-76d5-a2a7-13b45672feb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095496
StatusPUBLIC

Content hashes

Canonical text09408fcd86761596f344113f9f6e2b8270df305d79b54fb85fe64ea54d21b584
Markdown2663b7f6ce4bbd7f3e5232bc469d1d0bccbf90cc6bfcc9d9b56c65b6ed9ee7dd
PDF
Publication page0ac6494f51a6f44acc3c9b5727cf153d5e0469f181cbfcf5ebb9edb18d9732fd
Manifeste1873e8ca27abd3ae2047d601641636019abeded2b72e6119f0ef80bc366628c

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
SignatureQQdYyQDW26ZxIV7DLE5SPSoC3NpxLk1w+dLvR+9DzQJHmHinHrrseBlyQiviTUQhOEOKazZATRLqkBjQJNzKAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:53.927542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095496
observed 0ac6494f51a6f44acc3c9b5727cf153d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.910227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095496/manifest.json
observed e1873e8ca27abd3ae2047d6016416360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.891279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095496/publication.md
observed 2663b7f6ce4bbd7f3e5232bc469d1d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.873220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095496/publication.txt
observed 09408fcd86761596f344113f9f6e2b82...
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.