OpenTechnical

OT-2026-000029588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000029588) never changes.

Identity and time

Publication numberOT-2026-000029588 · never reused
Internal UUID01a0ae73-5e22-70eb-b5f8-5758dd0fe216 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029588
StatusPUBLIC

Content hashes

Canonical textf1faec0381e145700bea8b01bd27e346451fa1d990cbcc20bf0603cbd9f8e873
Markdown2bd9299d05cd8594128efa51ba013e5a4cccf2b8ff107d05423aa97eaab5bc5c
PDF
Publication page47bb589b8a6349ae2fd5a163323231d24691fed13785217b0c2a3e21aaf42558
Manifest6c2afa40addfc42f01206fe1980fbbe4bc266f730f8d38a501fa685e4460827c

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
SignatureoxqoR0yewI/PYLVj2deFcfVHmuZCPjqQj1iUQZfONLDZHyYnVXSVggS/vsLt5m4MiMftNcr496cze5vbxdL5Dg==
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

2026-09-17T11:39:17.135979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029588
observed 47bb589b8a6349ae2fd5a163323231d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.118373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029588/manifest.json
observed 6c2afa40addfc42f01206fe1980fbbe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.098660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029588/publication.md
observed 2bd9299d05cd8594128efa51ba013e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.078170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029588/publication.txt
observed f1faec0381e145700bea8b01bd27e346...
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.