OpenTechnical

OT-2026-000045140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000045140) never changes.

Identity and time

Publication numberOT-2026-000045140 · never reused
Internal UUID01a0ae7c-f769-711a-a539-06ecf6392902 · 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-2026-000045140
StatusPUBLIC

Content hashes

Canonical text5713e536b29c4c18338ce9f728292bdae7e16cd3082fd987c5f972061e65281d
Markdownbe2e1de76e5dc49d7fba7a5b26d425231e8ad6c8826fdbcdb245251fab4f69fc
PDF
Publication pagec98fae85429f98f54455efc096c3bf6d2cc85f3e5158d11c40315580bb7ed535
Manifestf33472bb4fe433fdfe77d56c07c8f40f716666643fac9ce1d2eb24eb3f22ed19

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
SignatureEij95RzZboMGW2adpdV3/BIEUTEuuAR5TCNRgZnfSBTuPa2/YtwZDuMhmjiGK0Eq8IrnRE8rQDtdtsC7lGjEAw==
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

2026-09-17T11:10:17.520358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045140
observed c98fae85429f98f54455efc096c3bf6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.499636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045140/manifest.json
observed f33472bb4fe433fdfe77d56c07c8f40f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.479928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045140/publication.md
observed be2e1de76e5dc49d7fba7a5b26d42523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.461598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045140/publication.txt
observed 5713e536b29c4c18338ce9f728292bda...
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.