OpenTechnical

OT-2026-000054590

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000054590) never changes.

Identity and time

Publication numberOT-2026-000054590 · never reused
Internal UUID01a0ae86-1283-7c22-8c11-0de0f03a1994 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054590
StatusPUBLIC

Content hashes

Canonical texte0910da28e7dfd469b0d4cd4d0397e6238f99794f49ecaf463bc53f0a76f1e38
Markdown09dfc2d91b558ffa836e43d70fedd603ed69a1285862282c0b1f613048fb7f98
PDF
Publication pagea333cc271ea411e4e0ce407c63ab34dacfb859003471f443c9e6220e697d693f
Manifest800473f1de6d0935a52ca804ec5bbfa688e0e5e0d2b294fd80f8334b71351b64

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
SignatureF1eOMzkwQT40QK1/rto3oWlioeolQSXhxTFCB3dU4fuYsp5jIL55W3m/6F9A4hmerIPZ8nWDZWjO5KlwvOMrBA==
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

2026-09-17T10:53:38.437495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054590
observed a333cc271ea411e4e0ce407c63ab34da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.417906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054590/manifest.json
observed 800473f1de6d0935a52ca804ec5bbfa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.401916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054590/publication.md
observed 09dfc2d91b558ffa836e43d70fedd603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:38.385014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054590/publication.txt
observed e0910da28e7dfd469b0d4cd4d0397e62...
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.