OpenTechnical

OT-2026-000017500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000017500) never changes.

Identity and time

Publication numberOT-2026-000017500 · never reused
Internal UUID01a0ae6e-76ca-7479-a533-0e2d39474746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017500
StatusPUBLIC

Content hashes

Canonical text2a9532e58cf9cd249c1d3ef908d7f87693de671b21e453ee1333c43fa02b0aaf
Markdown247858da0930e071b760d79d1024324438447b0c72acf132c0bb7d9ceaf81de9
PDF
Publication pagecc2259ff0407c3f58550aa02f9f31eb258adfd21e6b2971622f798bb4df2441a
Manifestf6f3adb7ec54ad890beb2a5cf104713252949500c6b06c4690981182c740cc8d

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
SignaturepdVcYSsHG9hAFBPorDOvrmY1Aysr2F7OZvbyPPaLsQKXWeUQwVLm1A4dOBUlyIOqOBvTlwpyTfHsU8DP+rrICA==
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

2026-09-17T12:02:39.251038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017500
observed cc2259ff0407c3f58550aa02f9f31eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.232087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017500/manifest.json
observed f6f3adb7ec54ad890beb2a5cf1047132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.211776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017500/publication.md
observed 247858da0930e071b760d79d10243244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:39.190358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017500/publication.txt
observed 2a9532e58cf9cd249c1d3ef908d7f876...
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.