OpenTechnical

OT-2026-000092930

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000092930) never changes.

Identity and time

Publication numberOT-2026-000092930 · never reused
Internal UUID01a0ae9e-090f-7d2f-bffb-08989c6d2eba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092930
StatusPUBLIC

Content hashes

Canonical text850ea25b93024e384fa7177e8e31bbe46d2b86c62291007841a14991fe02cd35
Markdowna639caa253933860ea0ab4077dfc6bee813e628c9f680c2206252e966720e31f
PDF
Publication pagec664236c621ef3a96857bbcb92123281a4fa1518b2f5449ecdea0d06b2e8875e
Manifest7adcf1d6d603c5fc096413009228074e0e6b9e0a23740ce676e9e236d24920ab

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
SignatureC3JyKCaEPoI3yPoANHHlB4/UZ274pc6i8UKKnOT6NkJfAhI61pSNWEyDAQZckln9zioUVqrXq7rOsYvE4qlvCA==
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

2026-09-17T09:40:02.725658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092930
observed c664236c621ef3a96857bbcb92123281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.697997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092930/manifest.json
observed 7adcf1d6d603c5fc096413009228074e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.677509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092930/publication.md
observed a639caa253933860ea0ab4077dfc6bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:02.659845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092930/publication.txt
observed 850ea25b93024e384fa7177e8e31bbe4...
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.