OpenTechnical

OT-2026-000022795

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump 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-2026-000022795) never changes.

Identity and time

Publication numberOT-2026-000022795 · never reused
Internal UUID01a0ae70-46ea-7f7f-bc25-822ef6e0e565 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022795
StatusPUBLIC

Content hashes

Canonical text37705ff0dace394144b584d549a939eca18475d8bae9ccaecaae637507e9ac21
Markdown432530b39fe7e3b3d819422ee0d31806d0a729445830d918babca1334088b8d4
PDF
Publication pageddf3aac13a630acc0bf8d64642446306524c2101cf9a189534f0a4244589c275
Manifest957838565bdadeb65e612d78a10bf797c3cf272c7ae0866c8c9250331666d986

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
SignaturelKh6J2jXddTTDPJAxaDTelE+0PYoFyV5e1U5V67+NIp/wqwXRU4BIFPjFutDbSPR2PTEIP9cVE3dYDbw0ibyAg==
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

2026-09-17T11:52:19.044537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022795
observed ddf3aac13a630acc0bf8d64642446306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.025604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022795/manifest.json
observed 957838565bdadeb65e612d78a10bf797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.006280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022795/publication.md
observed 432530b39fe7e3b3d819422ee0d31806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:18.989862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022795/publication.txt
observed 37705ff0dace394144b584d549a939ec...
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.