OpenTechnical

OT-2026-000030148

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000030148) never changes.

Identity and time

Publication numberOT-2026-000030148 · never reused
Internal UUID01a0ae73-e4ff-76fc-bb03-4c6ba81665c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030148
StatusPUBLIC

Content hashes

Canonical text9dec3815b8a4320c55f3d924480d146b80183bbeae439c14b9238ea0f7885e36
Markdownb400609c243c47cc8908090834b5907b1808a55cacba739e9efd96d53b61edd0
PDF
Publication page7692cd0817e95691759b6415f2dce6feb55ddacf8e173fef8e6eb7113abbe8af
Manifestab6fe15bfbbe9866e6c9c2146e2ccf268d67ffc4ed213fcdac1e0f4e4a19d441

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
SignatureNRRy7DyiJNJm79MHKG96LJKoHYcZ9O1OStOp00l1mVTcb/CkMt4Fp43rv/RQ1rcPdC94PwWN2899Nk67sSb0Cg==
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

2026-09-17T11:40:23.578323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148
observed 7692cd0817e95691759b6415f2dce6fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.560861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/manifest.json
observed ab6fe15bfbbe9866e6c9c2146e2ccf26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.546297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/publication.md
observed b400609c243c47cc8908090834b5907b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.528770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/publication.txt
observed 9dec3815b8a4320c55f3d924480d146b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.524267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148
observed 7692cd0817e95691759b6415f2dce6fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.506736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/manifest.json
observed ab6fe15bfbbe9866e6c9c2146e2ccf26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.491322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/publication.md
observed b400609c243c47cc8908090834b5907b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.475032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030148/publication.txt
observed 9dec3815b8a4320c55f3d924480d146b...
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.