OpenTechnical

OT-2026-000035720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000035720) never changes.

Identity and time

Publication numberOT-2026-000035720 · never reused
Internal UUID01a0ae76-b4c8-79a6-84d8-e5d29d1c07f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035720
StatusPUBLIC

Content hashes

Canonical textb1fa1db76f5eae9c1433a5d7b0130a2e94fd08ce3d6beb7ed2b183be37344b66
Markdown6707e27c81ed4d0cbeca2397c3e9180d33d99ba5e1e0b49f3ce3342bdf819139
PDF
Publication page123033bf24a41b1ae5db84ff797614bdbfb1e70f0809b52700d98dcf0633059e
Manifestd4089c366039fca7c0c2ea2376c1b15d7145d3d112ff387c023519970877f3ea

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
Signaturentwk9plppbeKbAetS/n8lh0q58OZ5lCkgGtqXCIKQbpzQoqCTeIwDSC3FIe4FV2MVI728yXUl60XUOtwnr8ADA==
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

2026-09-17T11:27:18.435462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035720
observed 123033bf24a41b1ae5db84ff797614bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.418999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035720/manifest.json
observed d4089c366039fca7c0c2ea2376c1b15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.402884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035720/publication.md
observed 6707e27c81ed4d0cbeca2397c3e9180d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.386827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035720/publication.txt
observed b1fa1db76f5eae9c1433a5d7b0130a2e...
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.