OpenTechnical

OT-2026-000056161

Publication integrity record

Two cup vacuum gripper, two 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-2026-000056161) never changes.

Identity and time

Publication numberOT-2026-000056161 · never reused
Internal UUID01a0ae87-0a4c-7266-990d-732d9a85e5d5 · 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-2026-000056161
StatusPUBLIC

Content hashes

Canonical text926f15c4656851ac6f376a521164aa1aea8c0e872f059ded918a419787465f93
Markdown422120b11ac8d5c4cb15891cbb8be3bfb1a95adf774a62179d253d19a177be93
PDF
Publication pagebe109c3ac22cff15835427c0a3a06d151a896bce10a692c02d0547528a55ff1a
Manifest3e6731ef7fe867603f1ea3e451a284fecd12a8f67b1477814a4ace5c6559eed6

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
SignatureTjAvBlr/lc0/N4F6a29G6k0KQFKkcqQFUYsWB/y4dpeJjJhZ1P689yF9wS58QiVhVwe5LYexwfs4NDSI+SvPAQ==
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

2026-09-17T10:51:43.112953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056161
observed be109c3ac22cff15835427c0a3a06d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.092852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056161/manifest.json
observed 3e6731ef7fe867603f1ea3e451a284fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.074628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056161/publication.md
observed 422120b11ac8d5c4cb15891cbb8be3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:43.056327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056161/publication.txt
observed 926f15c4656851ac6f376a521164aa1a...
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.