OpenTechnical

OT-2026-000032734

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000032734) never changes.

Identity and time

Publication numberOT-2026-000032734 · never reused
Internal UUID01a0ae75-1071-775a-ac7b-5d843df83819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032734
StatusPUBLIC

Content hashes

Canonical text70aad3f7981f69e3d2b9faee2c770f5cd772721d5757d09dde83e77526fc9791
Markdowna96946a4334d0eff006ffd992ce8fb68e712398c72e15e2836e2c9a9cfa3dfeb
PDF
Publication pageb9384512f10e39f42b54082232b1343be278042f4f6be087e3417b19cb44b5b9
Manifest71e439d1702be2600900c5242a8024875a5a6a0ce752583331199607e81b847d

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
SignaturedeZhCkAe9CbH7qD7AzrUE1k+Fvdzt6H9gXpk1J7ebv2ePFsH/FNJVTi7HBR6c2vE8hT/J5HjGOPHQHCn39obCw==
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

2026-09-17T11:34:21.300202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032734
observed b9384512f10e39f42b54082232b1343b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.283938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032734/manifest.json
observed 71e439d1702be2600900c5242a802487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.265202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032734/publication.md
observed a96946a4334d0eff006ffd992ce8fb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:21.246133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032734/publication.txt
observed 70aad3f7981f69e3d2b9faee2c770f5c...
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.