OpenTechnical

OT-2026-000057057

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000057057) never changes.

Identity and time

Publication numberOT-2026-000057057 · never reused
Internal UUID01a0ae87-d5b7-7955-a8a4-31254799dc7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057057
StatusPUBLIC

Content hashes

Canonical text60e2b269d0cac48fc18260c2390a3cc0885ff0772e99b1848ef3c9f73c12c9db
Markdownf25d3476ffba743f2c1039fab6a3faac45c97e9a809c86c07c1d9d652dbe2482
PDF
Publication pageceb814981a45841e94d2d86703970bc3ec4cc23f388afc1845c0e8b33b9e80d0
Manifestb13c8f85b8f4befe04f23f5df581906839cbb3b3112d4d9b48c3ad7351a0a89d

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
Signaturet1xthXXuRktwzonFIwruzLtBSJE/+CzzeTrswnLBZzhsosE9vYr7afLwhX5Jv12NEttJdEka+P3MPdTw7UF0BQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:32.673389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057057
observed ceb814981a45841e94d2d86703970bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.654682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057057/manifest.json
observed b13c8f85b8f4befe04f23f5df5819068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.637215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057057/publication.md
observed f25d3476ffba743f2c1039fab6a3faac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.619622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057057/publication.txt
observed 60e2b269d0cac48fc18260c2390a3cc0...
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.