OpenTechnical

OT-2026-000039557

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000039557) never changes.

Identity and time

Publication numberOT-2026-000039557 · never reused
Internal UUID01a0ae78-d8d3-7ba2-8b7d-de54a0dd0864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039557
StatusPUBLIC

Content hashes

Canonical text82b6328cf2f476bffec83daa56ab0029d1b904b546cdf8a4859f0fe0c7b03d8e
Markdownf71506c5e184e0ce007e681cf25e6d5dbea57e77a0d1cedda56ddea18f8cb7f8
PDF
Publication pagea2517dcd4380fc101244b44dd96b7891b174aead977cfac839f7b73054a33516
Manifest41cef7d53890b7df709ba344917f7386bc66adade11f95964d37245d056d1111

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
SignatureoA03OJygUbA4Ou6tz6YBwDryqf7UGNxKzUjXlKjicJ/ZNiF7P31zo5oS9Jx5JeFKpKk+eOtbCHz08IkRveupBA==
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

2026-09-17T11:19:42.738933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039557
observed a2517dcd4380fc101244b44dd96b7891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.721692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039557/manifest.json
observed 41cef7d53890b7df709ba344917f7386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.704421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039557/publication.md
observed f71506c5e184e0ce007e681cf25e6d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:42.685853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039557/publication.txt
observed 82b6328cf2f476bffec83daa56ab0029...
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.