OpenTechnical

OT-2026-000039747

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000039747) never changes.

Identity and time

Publication numberOT-2026-000039747 · never reused
Internal UUID01a0ae78-d8d5-74ca-b9af-52860cc947cf · 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-2026-000039747
StatusPUBLIC

Content hashes

Canonical text4e21da8752fcf8ccdba14415f29c37fba5ab87fbec9f863bdebd4495655d31e5
Markdown2ec40619849c5c4b41a22d8e83bd60cb6c06411b4f9c69e39ddb30c5d6973611
PDF
Publication page86d7366ab9a92bd5ca403f397c8fd81c7af28972411e61131a3082eb2d2ec634
Manifest6503dacc02dcf4d54d23368d4307aa087874f0da9d52002a0d259d369b3f029f

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
SignatureyogjGPqQQB12PM5HnvrY3yGNiBNUMzZF8rXGIF4kvmAkt+Lv7ZHbrvMfz5f29rN9Y4Chv6YqQh0q1MY0gUTjAg==
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

2026-09-17T11:19:57.695666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039747
observed 86d7366ab9a92bd5ca403f397c8fd81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.676888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039747/manifest.json
observed 6503dacc02dcf4d54d23368d4307aa08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.657960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039747/publication.md
observed 2ec40619849c5c4b41a22d8e83bd60cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.640049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039747/publication.txt
observed 4e21da8752fcf8ccdba14415f29c37fb...
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.