OpenTechnical

OT-2026-000008178

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000008178) never changes.

Identity and time

Publication numberOT-2026-000008178 · never reused
Internal UUID01a0ae6a-908c-7833-b6f0-6f644ac0fa8f · 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-2026-000008178
StatusPUBLIC

Content hashes

Canonical text63255c55aacfa6c4bab17111c682398117adea09ea5c490ee6a0be8e3ad9d681
Markdownb88a11a77fe0398cff6259e35600ca0c89f4aea61f8ba231fded7ba93b9bc588
PDF
Publication page04cea7f0048f7b89e31d11d7dc5afee63f70f3be5bfe5ad9f34f80d0b42c39c0
Manifestc27f65eadb12cc6ae0f27a22cb0fa5149e561b6dfd35c2b2660695403ca80670

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
SignatureHr6MuHlo9DBaCfvKyN0X3t9+oY2Il6v3bpcfUCw2XKa8K6UkoN81r0YCerroT3wI1h+ELAcxhtefinuO0GRWCg==
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

2026-09-17T12:20:32.683909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008178
observed 04cea7f0048f7b89e31d11d7dc5afee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.666335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008178/manifest.json
observed c27f65eadb12cc6ae0f27a22cb0fa514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.647678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008178/publication.md
observed b88a11a77fe0398cff6259e35600ca0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.625349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008178/publication.txt
observed 63255c55aacfa6c4bab17111c6823981...
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.