OpenTechnical

OT-2026-000045541

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045541) never changes.

Identity and time

Publication numberOT-2026-000045541 · never reused
Internal UUID01a0ae7d-8f02-7cfc-944a-63d3bb79552a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045541
StatusPUBLIC

Content hashes

Canonical text6b16d3ffc4ca18e97cfe6a54a298040e141c3290af6de34cbd68d94899eb68f0
Markdown74a7e676870b67ccbb497dc08dac3e00a40d3055340d3fe77f5a932862fb6af2
PDF
Publication page0b7f7fae59535d5349035e38238c969f68912ae011f722bf6a9e29859613f5c1
Manifest1b7720d7a0642d0e349e26a855c91a462313af986719c8499b7859c747a4facf

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
SignaturecRmFuGMwMd97HigtRyyMmFa0JYh5TaX0y/kcCRxREs19NOYD04qfaFAYep8N1JF8iSfan3TSV/bCZCNMJVsSCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:17.400536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045541
observed 0b7f7fae59535d5349035e38238c969f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.382454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045541/manifest.json
observed 1b7720d7a0642d0e349e26a855c91a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.364459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045541/publication.md
observed 74a7e676870b67ccbb497dc08dac3e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.347151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045541/publication.txt
observed 6b16d3ffc4ca18e97cfe6a54a298040e...
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.