OpenTechnical

OT-2026-000027797

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000027797) never changes.

Identity and time

Publication numberOT-2026-000027797 · never reused
Internal UUID01a0ae72-a4a4-7d83-a8d3-c451d4f5a7f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027797
StatusPUBLIC

Content hashes

Canonical text1f2b82026066ce835fb250b3e1c7be1b0248da71e3e6cee5099a61b5ab3f3b19
Markdown0f5523fe0e52327e3e7d985e8a7853121d16d7187a9ab5b9975d893adfc99718
PDF
Publication pagee26d8e1562e80aa067150ef2b5d50144eb77ebbda0591e4d3bdc1ec0d3ee216f
Manifestcf8ed1d05124a57d1944ab532e218761f00a73a7b954ce18c73f060d136a8ffa

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
SignaturejS9b1wcalKegpdsUE7x2PLPLtOk1f+aGESZ/D7OuEg0rgpPlZcpLwWuXg9/GqNx8jPiOwcmEJmvTKWibLlEkAQ==
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

2026-09-17T11:41:50.622830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027797
observed e26d8e1562e80aa067150ef2b5d50144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.606676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027797/manifest.json
observed cf8ed1d05124a57d1944ab532e218761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.588360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027797/publication.md
observed 0f5523fe0e52327e3e7d985e8a785312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.569851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027797/publication.txt
observed 1f2b82026066ce835fb250b3e1c7be1b...
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.