OpenTechnical

OT-2026-000043984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000043984) never changes.

Identity and time

Publication numberOT-2026-000043984 · never reused
Internal UUID01a0ae7b-d679-72e0-a556-291fd690e4dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043984
StatusPUBLIC

Content hashes

Canonical texte1337dbd90e78502f82dccf482816742bb79785947a0a6a085d2a4ed93a56035
Markdownd05f84e9d114662863fccc665df40ddc21e7b57ead8bbf83df51aea5b9cd08fb
PDF
Publication pageeb95e3b645addda5b93435040f170e11c8fe2a11dd05593aaa75b740ad38a46a
Manifest38e1571c5dc6f7d6316aeeacb94a03c225007f029e24d1eddd1c675cc348c781

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
Signaturezdn7jH6yYm0xjtt2MVfw0LcabpnjIsmdR3RBoLrSFHPH+i+TsycqP86ZKKMyRPfwxL++9BS2bM0CGVGv6K8+BQ==
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

2026-09-17T11:12:21.158738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043984
observed eb95e3b645addda5b93435040f170e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.138371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043984/manifest.json
observed 38e1571c5dc6f7d6316aeeacb94a03c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.119970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043984/publication.md
observed d05f84e9d114662863fccc665df40ddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:21.100359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043984/publication.txt
observed e1337dbd90e78502f82dccf482816742...
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.