OpenTechnical

OT-2026-000045548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum 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-2026-000045548) never changes.

Identity and time

Publication numberOT-2026-000045548 · never reused
Internal UUID01a0ae7d-8f02-7b06-b811-41bb05435521 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045548
StatusPUBLIC

Content hashes

Canonical text2523460dd464e2f97230f6d5435bd286b41bccf0dfada2f1c48e85385d342e8a
Markdown0d1abdbfaf23206de193af99827ac9ce717a1fc90b2dd8490b4f32b23ddb5128
PDF
Publication page3823a428d96ee4ab437d425de57ee888c3a2c5681695436ae54dbc47398c4714
Manifest7eb257201d7e2ebfb49b84bacd38bc94c54e65499f58649a4eb87b0c30f7c104

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
SignatureOW0ZXd8o3WgfXs5QbM6dO3LHsXchQrH0nOz5It+bsi/Zc3aRqM9njSrs5reFpnhbLSof97TV8Ep1JixsVte/AQ==
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

2026-09-17T11:09:18.001532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045548
observed 3823a428d96ee4ab437d425de57ee888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.982969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045548/manifest.json
observed 7eb257201d7e2ebfb49b84bacd38bc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.963068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045548/publication.md
observed 0d1abdbfaf23206de193af99827ac9ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:17.941944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045548/publication.txt
observed 2523460dd464e2f97230f6d5435bd286...
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.