OpenTechnical

OT-2026-000054874

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before set-down, on a tool changer

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-2026-000054874) never changes.

Identity and time

Publication numberOT-2026-000054874 · never reused
Internal UUID01a0ae86-1285-7376-84cd-037dad5c20c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054874
StatusPUBLIC

Content hashes

Canonical textee7e12088be6bd5aca189e86aca89186ba9d9efaaef6577dc8e973a107b4df99
Markdownac7a0b590616802e17c186ff51b7396fd10ef71652ef500036f2547a7e402ecc
PDF
Publication pagece2960871af360a858ef1d1d5225aa548f133f8410da87530c064870c83ed690
Manifestf16e76bb7111b395b0f6cde7b476aa4a68fa20b6c6323a04758384118e1bd5ed

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
SignatureuWSa6sVeEi4RyvVID3PA6/36EmaIdZJbCoe9dGDyiW7AY3Bistkh7zK7k0rGvxkfSuz3PH91fjiEVDCSEHE8AA==
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

2026-09-17T10:54:05.843283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054874
observed ce2960871af360a858ef1d1d5225aa54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.823823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054874/manifest.json
observed f16e76bb7111b395b0f6cde7b476aa4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.805735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054874/publication.md
observed ac7a0b590616802e17c186ff51b7396f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.785423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054874/publication.txt
observed ee7e12088be6bd5aca189e86aca89186...
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.