OpenTechnical

OT-2026-000098219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000098219) never changes.

Identity and time

Publication numberOT-2026-000098219 · never reused
Internal UUID01a0aea1-e964-7ef0-991d-c277154839ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098219
StatusPUBLIC

Content hashes

Canonical textb44d2b85c18d96ff078bfcea488e52eceb74a9ac85d82634bae45181b708c9b5
Markdown368b3f23c6dafca71edadc976b720f75e1a9e26322b2ebdfc4ac9864d4f102be
PDF
Publication page361a883b614d2134f993c73658b13f528377438c1b3022142f38832b5ad33535
Manifest1b6414c9fcf21c4105fc67638b9467a36a513598d74c23ab07d15b18898aca7b

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
Signature/ntWgFKhR7jPc8YBtEr6xijgMJGYhmDMLgT2x2IOmSuiazrA3eOTINwPV5XiV2HHTHa1m/PDQilIyA+v0HFWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:23.082865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098219
observed 361a883b614d2134f993c73658b13f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.065900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098219/manifest.json
observed 1b6414c9fcf21c4105fc67638b9467a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.049165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098219/publication.md
observed 368b3f23c6dafca71edadc976b720f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:23.031036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098219/publication.txt
observed b44d2b85c18d96ff078bfcea488e52ec...
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.