OpenTechnical

OT-2026-000039231

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000039231) never changes.

Identity and time

Publication numberOT-2026-000039231 · never reused
Internal UUID01a0ae78-9673-7536-bed1-b41d70c53ae2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039231
StatusPUBLIC

Content hashes

Canonical text0d2659c308377e64c0b0d0b693baa3ed86bd105d27ff379a9f31493da97b1482
Markdown80c019670bd9d960d60aeae9c90f6876aad7937245319667af57b58894d88428
PDF
Publication page0750f499a613600a06002b87bf8b7a72e3f814aedba340cff5010f5815c5f26a
Manifeste22d63d0ddd26a096167f1c4e339210b96e64b35fba1427ac5f61e055151c0b4

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
Signature7s1vyCEJl/y2e034CBYCraESijLnbKRuYNQ9TqrE+sjnQkZVNnrm9o7RfN9DwgYBZ0+bPIsC5cDkS3VfFgVmBQ==
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

2026-09-17T11:20:47.085863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039231
observed 0750f499a613600a06002b87bf8b7a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.066117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039231/manifest.json
observed e22d63d0ddd26a096167f1c4e339210b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.047005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039231/publication.md
observed 80c019670bd9d960d60aeae9c90f6876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:47.026693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039231/publication.txt
observed 0d2659c308377e64c0b0d0b693baa3ed...
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.