OpenTechnical

OT-2026-000018665

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000018665) never changes.

Identity and time

Publication numberOT-2026-000018665 · never reused
Internal UUID01a0ae6e-d520-76a6-bf1b-e8ce311c28be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018665
StatusPUBLIC

Content hashes

Canonical textd675d07f8fb02399fd4bce4ee89b4146ec7267f46786427330e74be17e32e95c
Markdown70210f325386346bc248c296fe7d831347533e497ebeceaa54112aef6062f0aa
PDF
Publication pageb9b89ee3386afa82c63e2ad71d3d22d906f855f9ad9b4e7d1eef6023d60ec6a4
Manifest5644023c46618de5a90f34066e6cfd26d1494a6df696030ce4add6416c8e03d1

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
Signature1XWhiKkVbIiD2sf9ISBKRipN2rcKvCfHAzzwVb9CmlReuDURNWrNWe5h6STn9stJkyjI+SyL3Bc5gXum0k92Aw==
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

2026-09-17T11:59:15.525962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018665
observed b9b89ee3386afa82c63e2ad71d3d22d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.506360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018665/manifest.json
observed 5644023c46618de5a90f34066e6cfd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.487558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018665/publication.md
observed 70210f325386346bc248c296fe7d8313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.470133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018665/publication.txt
observed d675d07f8fb02399fd4bce4ee89b4146...
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.