OpenTechnical

OT-2026-000055267

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055267) never changes.

Identity and time

Publication numberOT-2026-000055267 · never reused
Internal UUID01a0ae86-a100-7def-90d3-e3ccff4cd448 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055267
StatusPUBLIC

Content hashes

Canonical textba4a302f15abcdbee66d721d36e4698d43fbc3140563846af5ead15e2b917bd9
Markdown76c3e032112dd3cc3028d63ab23d2aa59514065f0a9eac670f85a609767d4669
PDF
Publication page80a0976cf20ae653c0a2a0dd024ea54c239cf1d3ab656ac940ca61748c42177b
Manifest9c72b395cf66f8e16e2a10ef318c901b40fedbd4d076cd58c067c4fc760dd79f

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
SignaturerQ2nzdDPF9D1hZnn9wThumZm/OrxNY13VLv5MOimjO5Q7Touay1DVbOEgszq4I4zCrQKv5d2ZYgcdOpAqRlXCQ==
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

2026-09-17T10:51:51.458711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055267
observed 80a0976cf20ae653c0a2a0dd024ea54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:51.441559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055267/manifest.json
observed 9c72b395cf66f8e16e2a10ef318c901b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:51.422860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055267/publication.md
observed 76c3e032112dd3cc3028d63ab23d2aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:51.405878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055267/publication.txt
observed ba4a302f15abcdbee66d721d36e4698d...
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.