OpenTechnical

OT-2026-000058288

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000058288) never changes.

Identity and time

Publication numberOT-2026-000058288 · never reused
Internal UUID01a0ae88-f398-7c24-a65a-2ad2dfb6f2c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058288
StatusPUBLIC

Content hashes

Canonical text6ae59a3763627a9f2001ddb3c14ffb266e33afbfa57ae7e7d21f14644a9c1356
Markdown7ed318e2f7022f3bc1f1373f25cacb983cdc799eba8ee31ee52ed15b21e71be6
PDF
Publication page2d18aa2ea0e0c3b83ad7e5bbd0df19a2cea9d17da74e682903cfa9a4b756822a
Manifest4d3b3a3d6c25a10c2bc104b929abbae6c226222bbc9eaa29e1fc8ad434e37724

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
Signature3lUXv3UUTIii+R1mezJJOoLbqTXa/gH/O1Vw8O0eiGYVy8piBjorccJzBg35jbCDQEDqqvcd8zvODN+aMnVJAw==
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

2026-09-17T10:46:40.850359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058288
observed 2d18aa2ea0e0c3b83ad7e5bbd0df19a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.831375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058288/manifest.json
observed 4d3b3a3d6c25a10c2bc104b929abbae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.813586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058288/publication.md
observed 7ed318e2f7022f3bc1f1373f25cacb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:40.793719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058288/publication.txt
observed 6ae59a3763627a9f2001ddb3c14ffb26...
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.