OpenTechnical

OT-2026-000053929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000053929) never changes.

Identity and time

Publication numberOT-2026-000053929 · never reused
Internal UUID01a0ae85-b3a6-77c3-8682-7af04163881c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053929
StatusPUBLIC

Content hashes

Canonical text1e0e866f8b308f31f51fe745a144444aba654d37b39ab6fe031a3ea2db073425
Markdowne7612c4d2f699ee385fb9ef802dec4090d532980c7e4cbb083773cfe9d2fa5c8
PDF
Publication page85a9b25bdd827c7d0d5a8efa8c99fe4fdaf2ead359c5665854ce4b097ed1f767
Manifest9d874ef46cec0d3a04b74fbe63923978421450e988c853fbeeec42af811f98d8

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
SignatureltECoug6P2LcSMjV7mOww0tTTkqQxQZaLWZ1W3L3XpU8l0BAfT2rSZPhcmSWo1OvUi+L95/rt8IhFGW9BqaYBA==
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

2026-09-17T10:54:10.314831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053929
observed 85a9b25bdd827c7d0d5a8efa8c99fe4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.296526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053929/manifest.json
observed 9d874ef46cec0d3a04b74fbe63923978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.278337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053929/publication.md
observed e7612c4d2f699ee385fb9ef802dec409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.260312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053929/publication.txt
observed 1e0e866f8b308f31f51fe745a144444a...
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.