OpenTechnical

OT-2026-000056701

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056701) never changes.

Identity and time

Publication numberOT-2026-000056701 · never reused
Internal UUID01a0ae87-7af6-7055-accb-42608ef216b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056701
StatusPUBLIC

Content hashes

Canonical text5de1876214e2a914a467dbd2b1022cfefc82e1b1a1d97345aecd6b6850466c6f
Markdown474cc680244faa7168297367f0143d3b615ff314361933a5e2537688c77fb466
PDF
Publication page174e53da780c74222f2adb3ee320e01b7a8529233cc6c55e3f802269b2a429ae
Manifestb19d24d947fd7a814c0e10a2d7ac782d45eb5444e712e752e01db1e5bc292458

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
SignatureSDL2mOxyj3JvCsbKBZIAfYwqYnsiGEwNhFkWvb6/xW5lOofIjJnbdpNCnr+O7Qt4kiAJ/coH58v4TjtIC9gBBA==
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

2026-09-17T10:50:06.578971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056701
observed 174e53da780c74222f2adb3ee320e01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.559163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056701/manifest.json
observed b19d24d947fd7a814c0e10a2d7ac782d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.539124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056701/publication.md
observed 474cc680244faa7168297367f0143d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:06.517859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056701/publication.txt
observed 5de1876214e2a914a467dbd2b1022cfe...
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.