OpenTechnical

OT-2026-000070729

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000070729) never changes.

Identity and time

Publication numberOT-2026-000070729 · never reused
Internal UUID01a0ae91-8c2c-7b5a-982f-9a15568a50df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070729
StatusPUBLIC

Content hashes

Canonical text5d1079221f476dbd6858213935035d849a11d27a9ea43c00509a0b20e392552a
Markdownd26caf721e116922678e58d876b9d27c706841d7976861515dcb56b9a9ae0d6d
PDF
Publication pageebbe00c04284e1b7282b904600e22d9d0b25d529a73527aa62a565b8a924669f
Manifest0ce3d144f0e0356d80013c7081dbb101f21aad447bf19e8a52798d30f4aba780

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
SignatureNkZtbS2r3n5WW4+Qwe9+w4M6vtA3hvjiF1bjKKBvUUAYhFfqNNQBu9e8i4IwhbP4q6HtD/QTByJUrE5e70yDAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:25.550657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070729
observed ebbe00c04284e1b7282b904600e22d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.534056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070729/manifest.json
observed 0ce3d144f0e0356d80013c7081dbb101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.516371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070729/publication.md
observed d26caf721e116922678e58d876b9d27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:25.497977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070729/publication.txt
observed 5d1079221f476dbd6858213935035d84...
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.