OpenTechnical

OT-2026-000017505

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000017505) never changes.

Identity and time

Publication numberOT-2026-000017505 · never reused
Internal UUID01a0ae6e-76ca-7a1c-8233-9e0d3d58af33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017505
StatusPUBLIC

Content hashes

Canonical text3f7ecd32d8035e9638b875f883f65adb5bc04944508e7f45359ddc2d44a0e758
Markdownf4170f30247ebd9b3d527983aa2df59c4adc2bf1627284a7c84f9dd04ac24257
PDF
Publication page69b211090f746f179faef3cbff162ffec1bfb5626388c049919475747c3d0bad
Manifest397d40e27adfe184439012859505cabbfc1d7c557e9132046d693414d83d00a4

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
Signature4nc2UVRULDFTTY/5TN49QRlH/zbyeKx/HLw+HLHE7iws9+0GXa5dF/dhZ0Hp4gG3fKW2pi9LayMfz2XjgCW0DQ==
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

2026-09-17T12:02:39.616143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017505
observed 69b211090f746f179faef3cbff162ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.599521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017505/manifest.json
observed 397d40e27adfe184439012859505cabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.583005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017505/publication.md
observed f4170f30247ebd9b3d527983aa2df59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.564734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017505/publication.txt
observed 3f7ecd32d8035e9638b875f883f65adb...
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.