OpenTechnical

OT-2026-000041554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000041554) never changes.

Identity and time

Publication numberOT-2026-000041554 · never reused
Internal UUID01a0ae79-e89f-72fc-bcf4-b1db56d6c7d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041554
StatusPUBLIC

Content hashes

Canonical text98704ce07eee016c0705078fcd0d47535049c7ec916b34398c7034ef6aac1e21
Markdowne8dcd413f3a77fae51644531d2081ad0c191c6788473e722d2968b51cfa09a07
PDF
Publication page6d794ec53f953d6be498a17db3945acaed9e4a7ca2635b978a2adeebf9dbb47c
Manifest037235918f60f5dc989362530e9a574d625beffb3c186c05c9b9a2197a7d9455

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
SignatureFUE7TyGcN+Ec0lrxeQMECPVYJd65dUfagAeCIgqntZWq3GYiRr+WP6cnwRO5SKGV85Xxvz7t3Sx2GdvApNw8BQ==
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

2026-09-17T11:16:19.920984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041554
observed 6d794ec53f953d6be498a17db3945aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.904221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041554/manifest.json
observed 037235918f60f5dc989362530e9a574d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.887411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041554/publication.md
observed e8dcd413f3a77fae51644531d2081ad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:19.869161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041554/publication.txt
observed 98704ce07eee016c0705078fcd0d4753...
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.