OpenTechnical

OT-2026-000054853

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000054853) never changes.

Identity and time

Publication numberOT-2026-000054853 · never reused
Internal UUID01a0ae86-1285-7a16-a380-5b535a818149 · 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-2026-000054853
StatusPUBLIC

Content hashes

Canonical textcb402b8baa8eb5c1c6a67b9eea12f3872b59e1016c75dc71756b7d532521637d
Markdown1eced78a13a0cdd1b2ba8824fc1dbb8d6d6590e8f7fa136cf04e55ac49f02584
PDF
Publication page98ccf4936623eebb2f4fd8a3baf9cf6584bf024561bb3a94d2217772a15ca387
Manifest9a4dd3125f31dd60451a240d8d12272f2c3c68ceea679a3b473d806a10dd3f01

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
Signature2PqlNLsHp6y82yaR/qjlUB7iR81yyANovzZ7b70YjiH43ZVr4IEJWWpMEbw8StWYNp7Jd8PDVRBBnWBxm7ixAg==
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

2026-09-17T10:54:04.205684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054853
observed 98ccf4936623eebb2f4fd8a3baf9cf65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.187146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054853/manifest.json
observed 9a4dd3125f31dd60451a240d8d12272f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.169198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054853/publication.md
observed 1eced78a13a0cdd1b2ba8824fc1dbb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:04.151946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054853/publication.txt
observed cb402b8baa8eb5c1c6a67b9eea12f387...
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.