OpenTechnical

OT-2026-000045517

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045517) never changes.

Identity and time

Publication numberOT-2026-000045517 · never reused
Internal UUID01a0ae7d-8f01-7529-8d80-f3f54a39452a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045517
StatusPUBLIC

Content hashes

Canonical textca551d71d39f6eccf8fa5060baccf324fd7574e274ff8fb5a9ec59c628857544
Markdownbf07697fffe52a98bb743610180fe9eed8cd1b1044d0e00561b866a0241e544d
PDF
Publication page77780b092d38c5854e61728d0dd12ee8c6f796bbacc72dda60eb20c2a766e742
Manifestbd43722adaecb892af65aedc29c9aae19f1de87244bf43f375f20ab7ea7ef0a2

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
SignatureWFypkx40z5XGi0YCjM3QPLhVtHACbqA7Pwut/sMHhA+ZuRUdGo96umagoDklo8TFtLTrmNQTxRIYHEABe6zuAQ==
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

2026-09-17T11:09:15.556544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045517
observed 77780b092d38c5854e61728d0dd12ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.537781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045517/manifest.json
observed bd43722adaecb892af65aedc29c9aae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.518663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045517/publication.md
observed bf07697fffe52a98bb743610180fe9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.501234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045517/publication.txt
observed ca551d71d39f6eccf8fa5060baccf324...
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.