OpenTechnical

OT-2026-000060243

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000060243) never changes.

Identity and time

Publication numberOT-2026-000060243 · never reused
Internal UUID01a0ae8a-5a73-770c-a6fd-31b34632d319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060243
StatusPUBLIC

Content hashes

Canonical textcffacf0626d35b2afd678717387840da48037026ebdb000574efa3a624c19ced
Markdown6ebb468775a91424f1ef6888c505cbdd486152b1c5e328e564a6df2943543c7c
PDF
Publication pagea0c6b2778843198058456a9e22b825e97e1560f830d460d14e8fbb6423941404
Manifest92f47776673456208f132c08f07750894015fdb8935e1b38d27a5496bdbab45f

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
SignaturePcgihPKNP1k3N6SKXqbczNXenqVwbS5BNkeWaFAgjJmSmEdo+nSifmf+NUL8Lb80D3sBlJjQx49wy7w4LwTvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:55.498489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060243
observed a0c6b2778843198058456a9e22b825e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.481100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060243/manifest.json
observed 92f47776673456208f132c08f0775089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.464874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060243/publication.md
observed 6ebb468775a91424f1ef6888c505cbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:55.446071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060243/publication.txt
observed cffacf0626d35b2afd678717387840da...
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.