OpenTechnical

OT-2026-000080391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000080391) never changes.

Identity and time

Publication numberOT-2026-000080391 · never reused
Internal UUID01a0ae96-7e78-7c52-9121-5ac683c011f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080391
StatusPUBLIC

Content hashes

Canonical text27709565ba9498c40a6321491504a3c0f9ff9bf47aa225c864a18c630128b5f1
Markdownace2b4201cfc53e222bb7acbfc4ab2a44ac60a9f10a14dfc83fa1eb5d9b6c908
PDF
Publication pagea2e8614c8d2806f13d61aac1edc1280a8f5f47ee2ba43c77435c6f14b6d6c635
Manifestb27a2cae81d69eee0b53fc82f4e9e6f738c81676284253687b1860354765ddb5

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
SignaturezDrkn7JQBIrLn6hhfOkFEuVERvNlpeq/Tnpr/iI/kOXqz0FW/w5iaTv9Wp0VYnoEnCjA5rePNzZ0B6IpvEmACw==
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

2026-09-17T10:02:53.351648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080391
observed a2e8614c8d2806f13d61aac1edc1280a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.332664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080391/manifest.json
observed b27a2cae81d69eee0b53fc82f4e9e6f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.315562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080391/publication.md
observed ace2b4201cfc53e222bb7acbfc4ab2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.297359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080391/publication.txt
observed 27709565ba9498c40a6321491504a3c0...
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.