OpenTechnical

OT-2026-000064464

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064464) never changes.

Identity and time

Publication numberOT-2026-000064464 · never reused
Internal UUID01a0ae8d-a461-7e53-9478-ca2172926182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064464
StatusPUBLIC

Content hashes

Canonical text4bce303e4e4143fa2e78a5fa81bebe2b553d999557e4d926465c92a6afcbb86f
Markdowncf5b43ba918670d2fc1fd0d6c09e834d41748ea8bd9ec40d70bf2c6a9b926a25
PDF
Publication page368d0e63dec3da40ec3b56b9722cf478398d8c9efd8fc191b6d2cf660ee051a7
Manifest23f76536c23af539ce77485a0d291c74b446196f34db6571546a0943d5e998dd

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
SignatureTiJEx98N8pAwy6S/Z2V5h4atVY/CN2PxL46KBgLHjjcRYFTvTB8USc3P11B6ConlIq5plMavpARlVeq2Qo4hDQ==
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

2026-09-17T10:36:39.305469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064464
observed 368d0e63dec3da40ec3b56b9722cf478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.289052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064464/manifest.json
observed 23f76536c23af539ce77485a0d291c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.269935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064464/publication.md
observed cf5b43ba918670d2fc1fd0d6c09e834d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:39.251790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064464/publication.txt
observed 4bce303e4e4143fa2e78a5fa81bebe2b...
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.