OpenTechnical

OT-2026-000016520

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

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-2026-000016520) never changes.

Identity and time

Publication numberOT-2026-000016520 · never reused
Internal UUID01a0ae6e-2d13-7a34-a55b-e5378e1917e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016520
StatusPUBLIC

Content hashes

Canonical text5d1d1df4ce83a2ac39a81c948b81d5c89120877ad0c4f01e6e6b3ea5e5de32f3
Markdown1e33947ceac3a500d947939841768157a699a9e3bb36e2fcd1248c76caef63fd
PDF
Publication page2ac84cc808912deb9ae3b25c34a0251b46f75daefa8b4428474a48cd4363f6d7
Manifest7260f8f2ea138d147e6011d3074e6c8ac5981fbf5f711ce2008c58ad2277e512

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
SignatureiVKDCfbcDTYsOpmkmk1PkwuPpwCLbZ1Wp8FP59yiWxRcn0Jo8aba8viZpZUxkI0UOMwFGE30QR2wo55vHxIhCA==
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

2026-09-17T12:04:44.138534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016520
observed 2ac84cc808912deb9ae3b25c34a0251b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.121098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016520/manifest.json
observed 7260f8f2ea138d147e6011d3074e6c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.104049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016520/publication.md
observed 1e33947ceac3a500d947939841768157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.085356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016520/publication.txt
observed 5d1d1df4ce83a2ac39a81c948b81d5c8...
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.