OpenTechnical

OT-2026-000022650

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained 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-2026-000022650) never changes.

Identity and time

Publication numberOT-2026-000022650 · never reused
Internal UUID01a0ae70-46e9-7d8c-b4ea-307ad39d4bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022650
StatusPUBLIC

Content hashes

Canonical textdd4949b82fddc58a273108f1a999145fc2c8a5d81e44cd241b79e66cb962c902
Markdown1e3b70ad06efa8eb323fe669579951a83983ac4e93cc5cc606a64fcd176daeca
PDF
Publication page48d63526e5272b392ea3188065187f0d92d170c3cd032217f750d6271b700352
Manifest04298bf8c4b3074ac0c6dca21b1a9c08fb256ad20341d1b8dae53be23a0e27a4

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
Signaturee5Yv9+txX3sBi2yGV0A7cj/zPCRYegWmHOPemALrU5FLeA4PQlhBmDG9WVZvl2hE/3wL6k0Typhn6uE3vGaIAg==
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

2026-09-17T11:52:01.951086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022650
observed 48d63526e5272b392ea3188065187f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.932865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022650/manifest.json
observed 04298bf8c4b3074ac0c6dca21b1a9c08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.911219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022650/publication.md
observed 1e3b70ad06efa8eb323fe669579951a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:01.892497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022650/publication.txt
observed dd4949b82fddc58a273108f1a999145f...
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.