OpenTechnical

OT-2026-000053905

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000053905) never changes.

Identity and time

Publication numberOT-2026-000053905 · never reused
Internal UUID01a0ae85-735e-7ed7-a6b8-dd07a864b66d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053905
StatusPUBLIC

Content hashes

Canonical text715e71d8a19469a884a9598ddf60bcf9da59a4276d1bd502b3910d6cb3b1e5c7
Markdownca83f7dec0e13f8be430e3e5aac33bb99cd9aea52ae38ef867e342c4d2b03e31
PDF
Publication page3c53724c08990675e2b73d41d81ed658c505cb3a2367f90dbd4fe407bc75edf3
Manifestcb4f478a37216f931e25e382029cb7720b94ad0587044af2d5794ddd4ac16cf6

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
SignaturecqOFaiua+sRJ+/BSyyTSXWvP6ONrJfekkWmuDKtiq+SgSKuzEgBN50uD7xRURdqd2BxJqT6rQksqha4AXOU0Cg==
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

2026-09-17T08:40:46.303246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053905
observed 3c53724c08990675e2b73d41d81ed658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:46.284957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053905/manifest.json
observed cb4f478a37216f931e25e382029cb772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:46.268020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053905/publication.md
observed ca83f7dec0e13f8be430e3e5aac33bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:46.250031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053905/publication.txt
observed 715e71d8a19469a884a9598ddf60bcf9...
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.