OpenTechnical

OT-2026-000053061

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000053061) never changes.

Identity and time

Publication numberOT-2026-000053061 · never reused
Internal UUID01a0ae84-a431-70ab-93b9-a4b3c8c3c121 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053061
StatusPUBLIC

Content hashes

Canonical textc0a85b9ba45a7df2cceef9e9a4a7dddf274d1d90a96110a14f1a759a3a35ed8f
Markdown3470851888125fd03d8338d5ca68d77092e2407b2531143d9130b539b48fa593
PDF
Publication page399875b47fc3a4c12800985661458b58f576186630f63b357ff85bd6bf085354
Manifest2c774bfb8a8c6066d222908053f116342a94e4dbc63143a14cefdfc904b298a8

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
Signature2BTNZrGF5I5sdWn96Z1tQU8Fq8Hd4c26BzGhbsQEv2H6ueOos7aYmuhnEpMPsNrZJQI0efUdd8Xye82hRlNCDQ==
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

2026-09-17T10:56:46.477162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053061
observed 399875b47fc3a4c12800985661458b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.460511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053061/manifest.json
observed 2c774bfb8a8c6066d222908053f11634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.441201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053061/publication.md
observed 3470851888125fd03d8338d5ca68d770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.422706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053061/publication.txt
observed c0a85b9ba45a7df2cceef9e9a4a7dddf...
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.