OpenTechnical

OT-2026-000088133

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000088133) never changes.

Identity and time

Publication numberOT-2026-000088133 · never reused
Internal UUID01a0ae9b-1aa8-7b32-b8b8-cf906dde97f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088133
StatusPUBLIC

Content hashes

Canonical textdd7c4e7664b261d8d6d01a09bd888fe677cc420b32e16128b61dcc2c9c3cbf4e
Markdown0a1113753a3559d5520b6351e0d7dd7d3db35569c509e3f57b209badaa139597
PDF
Publication page8fe461c3854c130b0143b17d3fb471ae2ccb6fcf445625063b650add615ad0c6
Manifestdbf78ce5d19c922aa3ad27658f4a4c2bad1c9784c20bc3b41c4ab3745c324ab4

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
SignatureQK2ZxqOOPLcKgImFaWosS4eeSBY5AMDZzuQUf5gemEssvuzcg9EXMgPAL95nVDWNOSZfUOtOxjUgRuT0r6cvDA==
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

2026-09-17T09:50:09.913987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133
observed 8fe461c3854c130b0143b17d3fb471ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.894021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/manifest.json
observed dbf78ce5d19c922aa3ad27658f4a4c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.873897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/publication.md
observed 0a1113753a3559d5520b6351e0d7dd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.851682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/publication.txt
observed dd7c4e7664b261d8d6d01a09bd888fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.145898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133
observed 8fe461c3854c130b0143b17d3fb471ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.120983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/manifest.json
observed dbf78ce5d19c922aa3ad27658f4a4c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.099297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/publication.md
observed 0a1113753a3559d5520b6351e0d7dd7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.079647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088133/publication.txt
observed dd7c4e7664b261d8d6d01a09bd888fe6...
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.