OpenTechnical

OT-2026-000045588

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000045588) never changes.

Identity and time

Publication numberOT-2026-000045588 · never reused
Internal UUID01a0ae7d-8f02-7f5a-9682-56252e436137 · 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-2026-000045588
StatusPUBLIC

Content hashes

Canonical texta54a2e1f6b854b3f4172d1f541d35fae2cffde323bbe25bccaa16026b6d9a9c0
Markdown0756b9509b63cadd793c996c141f338eebb8a12cbbf8a37fc4e7bcf337fe16f5
PDF
Publication page2c94a75be02a470e329b44aa42b05ccff8f2dd89494077ead8ca646173a08eef
Manifest7101dbdda3547633e32eca1a0fba528d162196ecc2af1d31f2e4504af6e851bb

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
SignatureoB2FlCTbsr80XnjFKOy98Cj8yMew20LjBsjwm9VD3bAk2UgkHTvRUqh4kvDm8GWdLb5ou/57diEP/D50lRZMAw==
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

2026-09-17T11:09:21.417492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045588
observed 2c94a75be02a470e329b44aa42b05ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.393569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045588/manifest.json
observed 7101dbdda3547633e32eca1a0fba528d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.375965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045588/publication.md
observed 0756b9509b63cadd793c996c141f338e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.261736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045588/publication.txt
observed a54a2e1f6b854b3f4172d1f541d35fae...
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.