OpenTechnical

OT-2026-000090065

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090065) never changes.

Identity and time

Publication numberOT-2026-000090065 · never reused
Internal UUID01a0ae9c-428e-7292-aadb-719523886fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090065
StatusPUBLIC

Content hashes

Canonical text3a6decff63ce036636126cf3e3e74c20d1b13d56b8bd3dd228e4b4cbfc4cb32f
Markdownf2e62e43e5ca22485a17a00e2dd2c70019089385cfd20c905e7774f20cba9a15
PDF
Publication page51272856df0dd352ed063da0c6d731b21578fb097fd536d2dde766e062962509
Manifest7e0d7c47bad44abf0b725aabd6be908b50ed0c374328ff6246d969911ef96367

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
SignaturexCQ5ukMSVa/7gNe6EEMbbrRaV6O2MMkon0xLYzhjNNoul9SaZ2tNwwmu7n6JiNDBZYxmTwu0KtCe8D2fqhFRBQ==
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

2026-09-17T09:45:28.658864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090065
observed 51272856df0dd352ed063da0c6d731b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.640090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090065/manifest.json
observed 7e0d7c47bad44abf0b725aabd6be908b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.618070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090065/publication.md
observed f2e62e43e5ca22485a17a00e2dd2c700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.596390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090065/publication.txt
observed 3a6decff63ce036636126cf3e3e74c20...
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.