OpenTechnical

OT-2026-000090482

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090482) never changes.

Identity and time

Publication numberOT-2026-000090482 · never reused
Internal UUID01a0ae9c-7f2e-764a-a87f-4a79e1159538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090482
StatusPUBLIC

Content hashes

Canonical text77f3f0c5803ad5f82dc1d5366057767f621f8fd2ea27ab297b3d1b7c8802579c
Markdownbb17f4d0488fe6c2f397e7c6b024438d2b12752388feee4ab22de2df03d93e8f
PDF
Publication page425d69fdad380820bcbabe47d9792a07a40fccdcaa68baad675a90214185d19b
Manifest829cb2b041457a3e43043ed0b027646a188351c288a624e8db6eb29a49f38a7c

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
SignatureTU8quxnFsTCabDmakNds82uON92ieqCLgNttvWnARpU+0Fubghf+oww0Ukd5dinNIaMGIGNULJ4s8rjWGEJTAw==
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

2026-09-17T09:44:36.792847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090482
observed 425d69fdad380820bcbabe47d9792a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.775479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090482/manifest.json
observed 829cb2b041457a3e43043ed0b027646a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.758516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090482/publication.md
observed bb17f4d0488fe6c2f397e7c6b024438d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.741880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090482/publication.txt
observed 77f3f0c5803ad5f82dc1d5366057767f...
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.