OpenTechnical

OT-2026-000021374

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000021374) never changes.

Identity and time

Publication numberOT-2026-000021374 · never reused
Internal UUID01a0ae6f-865d-7dff-ab6b-9df817d6ee78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021374
StatusPUBLIC

Content hashes

Canonical text47b07b810ff988a7fe202e052331c126f2a8db9be071870ef5e83c38b7b81783
Markdownbe27443b01120bdeef0f590f3d0d3343ef089e1c93c91377fad3e8bd5b215c41
PDF
Publication page8acd2b5120f2ef1fad6bd9cfdb34d8de74a9ba29d1a7371978e66e00c757b786
Manifeste65b8a8b1388cfdc3672c9ddef77c674500c77d21c685a5327619bf8108d790b

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
SignatureJ5ShTxfrbAohtKVuCljNrBIaLcyQqXYsjatctfsq22jtI8J3BxhnjEl7FvyKDuSrQxc26gJXkLngs1SjT00DDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:55:14.700710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021374
observed 8acd2b5120f2ef1fad6bd9cfdb34d8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.677493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021374/manifest.json
observed e65b8a8b1388cfdc3672c9ddef77c674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.658459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021374/publication.md
observed be27443b01120bdeef0f590f3d0d3343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.634818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021374/publication.txt
observed 47b07b810ff988a7fe202e052331c126...
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.