OpenTechnical

OT-2026-000045209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045209) never changes.

Identity and time

Publication numberOT-2026-000045209 · never reused
Internal UUID01a0ae7c-f769-75aa-bf58-070a9f13ac52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045209
StatusPUBLIC

Content hashes

Canonical text0af059f6507fa0d409ee51bccd0345a999d8373c8f9a80dfecc3620ac3fc3706
Markdown51b547f675189bcabe37174d0784e28c91a09a745d9792967925cb5ffdda6f42
PDF
Publication page6c188d0e7ea1509a0da806005b07b201164b0452d56d7ca47e24426a44cd947b
Manifest96d6d6f7b67bd85f451a9592999204d345099fbdac4e9732018dda2e0fc47a6a

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
SignatureILmUsODOqRXnpfzRQjIxn0RQAXnpM0qilDA2e3sU/6SUepr8Y4N7aHxQhLSBBy9pFKjh4fArZFX18h+97FEuBw==
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

2026-09-17T11:10:23.669532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045209
observed 6c188d0e7ea1509a0da806005b07b201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.651575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045209/manifest.json
observed 96d6d6f7b67bd85f451a9592999204d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.633464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045209/publication.md
observed 51b547f675189bcabe37174d0784e28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.613322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045209/publication.txt
observed 0af059f6507fa0d409ee51bccd0345a9...
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.