OpenTechnical

OT-2026-000013294

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000013294) never changes.

Identity and time

Publication numberOT-2026-000013294 · never reused
Internal UUID01a0ae6d-6fc9-7db5-b59a-589c745e9139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013294
StatusPUBLIC

Content hashes

Canonical textd180946c1b5f1ee9f98e67974f99895f38a533fb9fd0f68296a04c2b1868d83e
Markdown01ff563580f6a261f06019d69d882cfe23abd4c03e3a8e383a573014c6a20386
PDF
Publication pagedc11163389bf02f69ca5fe65d8e2af7f27e097928bc0d10e617a59838a6dec4a
Manifestb529923189cd880069b3b1caa2a1b82ecb5c249223d37b1285ee918274c732f2

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
SignatureYVg0aWqEhDkmd1UruPjIEXUtC4oAUIOsbfA3St7naZ58vSz10/s6zaWeossCP7nyBbQS8crJFczrZfZiSxGdAg==
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

2026-09-17T12:09:43.105239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013294
observed dc11163389bf02f69ca5fe65d8e2af7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.085249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013294/manifest.json
observed b529923189cd880069b3b1caa2a1b82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.066088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013294/publication.md
observed 01ff563580f6a261f06019d69d882cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:43.046199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013294/publication.txt
observed d180946c1b5f1ee9f98e67974f99895f...
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.