OpenTechnical

OT-2026-000088474

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000088474) never changes.

Identity and time

Publication numberOT-2026-000088474 · never reused
Internal UUID01a0ae9b-5d28-7759-ab7d-42534831a732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088474
StatusPUBLIC

Content hashes

Canonical text280bccbe92748a22a6fa24179f8c970c25e7240177d4466934c49bf001c246e6
Markdown402a7a3b44b19799a1ce95ff7aa13412def1bb1d1926a65c6d9fd1ca16c8a9a9
PDF
Publication pageb089d80cbd5f94200c3343b1468107ca97168c6d7b1c5446a2b5d47f5eaf4ae9
Manifestfd0909787ed319df95238e5be5c3f8eba74feb064cc8cde3df02f5633fe5771c

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
SignatureqXj45Bpe3pUCKQT967CA88cFVlay3Z4TsISWbCEe/SbtlhI2Dm0oL49llnj5GO5kGkhk8IaX/y4QoTwFCVF+AQ==
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

2026-09-17T09:48:51.620329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088474
observed b089d80cbd5f94200c3343b1468107ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.601897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088474/manifest.json
observed fd0909787ed319df95238e5be5c3f8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.583781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088474/publication.md
observed 402a7a3b44b19799a1ce95ff7aa13412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:51.566830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088474/publication.txt
observed 280bccbe92748a22a6fa24179f8c970c...
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.