OpenTechnical

OT-2026-000047148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000047148) never changes.

Identity and time

Publication numberOT-2026-000047148 · never reused
Internal UUID01a0ae7e-d0f8-7a61-b753-65041d2a07b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047148
StatusPUBLIC

Content hashes

Canonical textcf1e552fe01d2a26ba590dbf25c9e980fd621185530cc1b1a20d364b09a6eac1
Markdownd2f6dfbe3f5be64111358d68b459f2534a0933402dfdfe9f9dbc6b1506d493d0
PDF
Publication page273de0831477bc6534a145f4c84acfffb36cfca0b527b0fb98c9a6582b43072d
Manifestbead7ec890ec710236af1b6cbee249082fbc1c6ef4de01683a92fa7f2bfbc354

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
Signaturec8BNR6n4dz6JIRy03BXlHtvM/HO70oH/6myAwIPTfdqMhmy33qTpNemDN8Valj925bvjbszElUlM+tghpaJhDA==
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

2026-09-17T11:10:29.192344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148
observed 273de0831477bc6534a145f4c84acfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.170368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/manifest.json
observed bead7ec890ec710236af1b6cbee24908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.150578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/publication.md
observed d2f6dfbe3f5be64111358d68b459f253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:29.131241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/publication.txt
observed cf1e552fe01d2a26ba590dbf25c9e980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:57.469178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148
observed 273de0831477bc6534a145f4c84acfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:57.451377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/manifest.json
observed bead7ec890ec710236af1b6cbee24908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:57.433955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/publication.md
observed d2f6dfbe3f5be64111358d68b459f253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:57.414074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047148/publication.txt
observed cf1e552fe01d2a26ba590dbf25c9e980...
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.