OpenTechnical

OT-2026-000056079

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000056079) never changes.

Identity and time

Publication numberOT-2026-000056079 · never reused
Internal UUID01a0ae87-0a4b-770b-8e77-ef1de3c5b818 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056079
StatusPUBLIC

Content hashes

Canonical texte1a0c4ce487a655906017e7162870f96733d51246c2781389d1d6742dc42e97d
Markdownc90ddf8cf6fe1484f8096f225ecb62b32bc30d6e91f1a2c421dae026892f988d
PDF
Publication pagedbfa0286e7b13ec0a7a29a0251b2cf09ad9974ba5e90f3c4b4a819a1ac3f694a
Manifest61bf2413b2f35c37dfa9b85a94fec09682e651036d3194d6c170f6348df9868e

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
Signaturek2vcZY6T6DTPiL7WJgQbVGCTnEJnKz7Bz3UtJQ8D7BXtJaPKJ+K3N9AFVSs8u9uBRdcNoqVdk0ePg8ZjHN0oCw==
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

2026-09-17T10:51:36.917824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056079
observed dbfa0286e7b13ec0a7a29a0251b2cf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.897250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056079/manifest.json
observed 61bf2413b2f35c37dfa9b85a94fec096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.879557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056079/publication.md
observed c90ddf8cf6fe1484f8096f225ecb62b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.860050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056079/publication.txt
observed e1a0c4ce487a655906017e7162870f96...
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.