OpenTechnical

OT-2026-000055921

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000055921) never changes.

Identity and time

Publication numberOT-2026-000055921 · never reused
Internal UUID01a0ae87-0a4a-7b35-808c-639f6dc08add · 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-2026-000055921
StatusPUBLIC

Content hashes

Canonical text82b2b60c521758fa0c402bb18e5c1c73a0a3c1af388d3a9d4f621cc00a3af3ba
Markdowncc349e66857ebd032ee2d9c9d6b6d90a7b3614983158012ff66bc3d5cb3a1f60
PDF
Publication page6e535d2a738ec33a795adda5c32b6976839da50ead4ee054a9657fff6593f2dc
Manifestd003244bd44d9ab2d27a3803a144a006c1ca44126f63894cade8d8cdd12fe5db

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
SignaturefhboaLBAH7hriYO8VQnSuRWm6E+z24mO2Ul8aZmhYryDqUEAjdNkh+jMn6WUth4xyup05Wdb680XQZJVeHYvDw==
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

2026-09-17T10:51:25.732802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055921
observed 6e535d2a738ec33a795adda5c32b6976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.715008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055921/manifest.json
observed d003244bd44d9ab2d27a3803a144a006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.697000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055921/publication.md
observed cc349e66857ebd032ee2d9c9d6b6d90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:25.678061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055921/publication.txt
observed 82b2b60c521758fa0c402bb18e5c1c73...
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.