OpenTechnical

OT-2026-000043102

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000043102) never changes.

Identity and time

Publication numberOT-2026-000043102 · never reused
Internal UUID01a0ae7b-327a-7f35-af4b-3e29bb4c40a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043102
StatusPUBLIC

Content hashes

Canonical text983b814db1be694d79ec7d7c169bc6dfc88bd92c482332f4b812591e919187f4
Markdownc72b2313fb3697e4d3d54e3a6ac4a129948cbaa3759ca8badeb69e12687b9e11
PDF
Publication page3fc04d8a542883ae0fc2537c7a51492e37d56f84db6222792794cbd343bcf420
Manifestd564c0d671b0d5bf277b9dc8ad7e3306c263d3c85b5982918a56c93c3c0b08ce

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
Signaturex1AEm8ViVsWIifq/Dig1o8qXrkZoOzqBWCcvGoO06QTbUzAT7SmgZGfR4C7M/Nv2HqvUxbZgOOv0HcCtEMURDg==
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

2026-09-17T11:13:31.524588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043102
observed 3fc04d8a542883ae0fc2537c7a51492e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.505127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043102/manifest.json
observed d564c0d671b0d5bf277b9dc8ad7e3306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.485766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043102/publication.md
observed c72b2313fb3697e4d3d54e3a6ac4a129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:31.465860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043102/publication.txt
observed 983b814db1be694d79ec7d7c169bc6df...
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.