OpenTechnical

OT-2026-000038572

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000038572) never changes.

Identity and time

Publication numberOT-2026-000038572 · never reused
Internal UUID01a0ae78-2d54-7f51-a706-f229c89e7e11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038572
StatusPUBLIC

Content hashes

Canonical textc3c43439b918ce683dd9bed0cd71cde7d298506eeb9e9a9a0fccba66b84c1df3
Markdown5e337819e86b93a69b53bd2ebb8ad1bd9b61a5253ae839fc8646fcb568771450
PDF
Publication pagea358329aca861182c94f498dbbb0d879dd8dd875a6256ed44bae11aff304c55e
Manifestd35641986298827b8fc7d7a301705c064f66af0cf29508111aecdf37c7e3774f

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
Signaturek9/UTRfiXeEH+A4rOB107yj1BpbEbCEaaKt7yPvPh26wZ0d5HI09QlSbfq6B9upMCAr0ZNcfJULKFaLvznd9DQ==
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

2026-09-17T11:22:50.617177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038572
observed a358329aca861182c94f498dbbb0d879...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.596221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038572/manifest.json
observed d35641986298827b8fc7d7a301705c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.576700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038572/publication.md
observed 5e337819e86b93a69b53bd2ebb8ad1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.558962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038572/publication.txt
observed c3c43439b918ce683dd9bed0cd71cde7...
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.