OpenTechnical

OT-2026-000050408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000050408) never changes.

Identity and time

Publication numberOT-2026-000050408 · never reused
Internal UUID01a0ae82-5c48-7d4d-9a76-af7659e27554 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050408
StatusPUBLIC

Content hashes

Canonical text5db00d62a6eab54c53fbbd8fefe88016ca53b7b3e9ca350d06843cb9b43d2b89
Markdownce5f65d6247a1a0c339534ae5d0d53ac97da8b4c145d53fddf64bad6fdc6bf71
PDF
Publication paged9e0eed3b3e96a569338679f1d5e913e54308b9fd5c6e4f293ba44371df19533
Manifestc2ce1cfe4a02285363c7f107eeea517e7de666015f3a14fd6dfb5324b50c0dfe

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
SignatureyFfV5R4fGI9fIpvZm22nVNwHo9Aiijnj7+FXZxezBlE4oGHMygorn0J+HKt5iJb2iCfX6LWTskXkid1bGgy2Cg==
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

2026-09-17T11:01:27.050583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050408
observed d9e0eed3b3e96a569338679f1d5e913e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.033632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050408/manifest.json
observed c2ce1cfe4a02285363c7f107eeea517e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:27.016782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050408/publication.md
observed ce5f65d6247a1a0c339534ae5d0d53ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.998065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050408/publication.txt
observed 5db00d62a6eab54c53fbbd8fefe88016...
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.