OpenTechnical

OT-2026-000008204

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, vented 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-2026-000008204) never changes.

Identity and time

Publication numberOT-2026-000008204 · never reused
Internal UUID01a0ae6a-908c-70f9-8264-cdb6b6224500 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008204
StatusPUBLIC

Content hashes

Canonical text5ce350871ead969d857e8e62a6db4136a409f4446948af6fcd4e8cc0926b9724
Markdown16ddc859858fb0df0c1fb22da1855fef43c322b51ddf89e93ddf28278ee32086
PDF
Publication page8eb63bd43b630d5e37c2bafee67308ff279793a54ca44263c844b545b099147c
Manifest41e26cb3f23508fc4ce2252b978a04b90af0a647a38904d7bdcc90f18c637fdf

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
Signaturef88NKwqz4uweqa9LZ+aWKr/BMBDCW/pznB4uPv4zUJm+tlwDPHRWYquc1sjgCPCip9oUPd2rf7RkHnTRm+LFBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.717656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008204
observed 8eb63bd43b630d5e37c2bafee67308ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.701752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008204/manifest.json
observed 41e26cb3f23508fc4ce2252b978a04b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.682481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008204/publication.md
observed 16ddc859858fb0df0c1fb22da1855fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.664225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008204/publication.txt
observed 5ce350871ead969d857e8e62a6db4136...
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.