OpenTechnical

OT-2026-000057200

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000057200) never changes.

Identity and time

Publication numberOT-2026-000057200 · never reused
Internal UUID01a0ae87-d5ba-799a-935e-dace89e1cd04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057200
StatusPUBLIC

Content hashes

Canonical text3bbbc808b8d89bb8c6b6bab8cad390a441f3b29f8b0e1486f05e231acd094537
Markdown288806850a2c29a6dfb71e5f8f26dcf14a1f8cf9476235e0609f4a1b7c8d7a55
PDF
Publication pagef25ae3006be0bf037a27c9f11d2ca1b0bd23df32f8df90ef6ce7cb66e57ecdd4
Manifest62d07700c284b39d4cb459684fa295eec7687e1b16b9711f27948f60182a615b

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
SignaturexO1LkSRw5vNrR40u4IFiSWnxyfq/mg/oIUvnC/WQOT1a5q6CQqzy6pLRJVEZV2pmRQ1FRxoCi2VMO2t5EnPMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:14.879398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200
observed f25ae3006be0bf037a27c9f11d2ca1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.861939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/manifest.json
observed 62d07700c284b39d4cb459684fa295ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.841923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/publication.md
observed 288806850a2c29a6dfb71e5f8f26dcf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.820599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/publication.txt
observed 3bbbc808b8d89bb8c6b6bab8cad390a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.634800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200
observed f25ae3006be0bf037a27c9f11d2ca1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.616921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/manifest.json
observed 62d07700c284b39d4cb459684fa295ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.596738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/publication.md
observed 288806850a2c29a6dfb71e5f8f26dcf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:20.578516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057200/publication.txt
observed 3bbbc808b8d89bb8c6b6bab8cad390a4...
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.