OpenTechnical

OT-2026-000014872

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000014872) never changes.

Identity and time

Publication numberOT-2026-000014872 · never reused
Internal UUID01a0ae6d-d095-7355-bc2f-b0e31d5b4323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014872
StatusPUBLIC

Content hashes

Canonical texte1886e9ab6ac9ae0692f7ab61956922a7f7fe26774143a9a137f94d1fe07e6b7
Markdown398f2b0a01d187d5791d8f6bc441cceffb460c8e0e694d66ad73f5bc3597f14b
PDF
Publication pagee1955ac3b026c7121869eacb4b319ef90c49ed988ba71f417dae0966e57d1679
Manifest0ced04092fa3914967c741e39889d913de6e1964a0855593b7a15c845805e98c

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
SignatureXCD/4kXa6Zhzs8ImYqpHpEMZmAmQM0tYX1ZFp3N9O1E/WGqvbaqR5aIm+TlIerrtZDWsfjd5IGyn2j2+3ETrAw==
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

2026-09-17T12:06:47.662499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014872
observed e1955ac3b026c7121869eacb4b319ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.644996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014872/manifest.json
observed 0ced04092fa3914967c741e39889d913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.627801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014872/publication.md
observed 398f2b0a01d187d5791d8f6bc441ccef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.611728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014872/publication.txt
observed e1886e9ab6ac9ae0692f7ab61956922a...
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.