OpenTechnical

OT-2026-000043906

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000043906) never changes.

Identity and time

Publication numberOT-2026-000043906 · never reused
Internal UUID01a0ae7b-d678-7f94-8ca1-9c082ba4496d · 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-2026-000043906
StatusPUBLIC

Content hashes

Canonical text9bac710e3066eb35a4f5f0de8e248a767a87eab4b7f91c32c7679bb83b9aa8e5
Markdownc5111d83f1ee95e2e022699583a309c125c22ad50436799da3ffc94fe13f11b2
PDF
Publication pagedb61da603e48750ba16c4da7ed34afd82a929afdb4d70dc2c2c863cf2caa9522
Manifesta246e26cdd84f0b4d5858ddbbab0ded8831624a5773c1a63d441480204deb79e

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
SignatureBo6jnG3gD5YS7sCU6D3Ks05OFxZGjxLC1yHZLe7NRvV9sD/Ng4EhLVyi8kuPoPWDdFDnLDiGgjn9r0sCcY+0Aw==
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

2026-09-17T11:12:14.718318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043906
observed db61da603e48750ba16c4da7ed34afd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.685413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043906/manifest.json
observed a246e26cdd84f0b4d5858ddbbab0ded8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.667212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043906/publication.md
observed c5111d83f1ee95e2e022699583a309c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:14.649281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043906/publication.txt
observed 9bac710e3066eb35a4f5f0de8e248a76...
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.