OpenTechnical

OT-2026-000017869

Publication integrity record

Six cup vacuum gripper, six 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-2026-000017869) never changes.

Identity and time

Publication numberOT-2026-000017869 · never reused
Internal UUID01a0ae6e-96fb-7aeb-8e62-23e3524ba080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017869
StatusPUBLIC

Content hashes

Canonical text6962e65201d5f532f8caffa1b671e4c2d0a50e0781d5a8479140fe92f96f52ed
Markdown771737d783de6a15a36e64d50e78cb55a3d0c930bdb643e7d897687928347601
PDF
Publication page10cfb404e09db7dad2ef2a3e2a6a7bafb96d4d0adf1a1f4ec36115a1361994da
Manifest8110561296304b09a982f91de4148eab0fa3b5497b0a14972373c994e0292f75

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
SignatureBrw5QT2YUm27oRCRSCNKz9No/Sz+FWt2hdO9kBOMjcM6+VFwtU20UWAsorhiUJVb5wKdhkLIfRu7v3HFEsLmAw==
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

2026-09-17T12:01:51.261823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017869
observed 10cfb404e09db7dad2ef2a3e2a6a7baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.244299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017869/manifest.json
observed 8110561296304b09a982f91de4148eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.228385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017869/publication.md
observed 771737d783de6a15a36e64d50e78cb55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:51.212947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017869/publication.txt
observed 6962e65201d5f532f8caffa1b671e4c2...
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.