OpenTechnical

OT-2026-000016870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000016870) never changes.

Identity and time

Publication numberOT-2026-000016870 · never reused
Internal UUID01a0ae6e-5919-7372-8db1-6eb2088fb7ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016870
StatusPUBLIC

Content hashes

Canonical text6b066e5733d13a0bcb7979578d6eb94dc45ecc1806a7013f31cdc764db1d6fd7
Markdown2f38c845e490b78eb71ce05e4474b3325fa5c91ff4e07e297573f74167d4bb93
PDF
Publication page38ef60fbd0666db5a20555d8374b8fa06d60b80cdde3f73a0390d79f48035eb6
Manifest444eba8dd5090cca81cad154b7c6ac1b94667cc684a6a68c0bee5647e971601a

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
Signature2V0Nwqcr+/D7YFIBGMw9bCBw0gBJSirjhkANLwAqwbNL2B0ztf1v+iqAQ1fYiyYmZrYw8kZcoEuvb4mEnPcwCQ==
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

2026-09-17T12:03:08.376061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016870
observed 38ef60fbd0666db5a20555d8374b8fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.359998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016870/manifest.json
observed 444eba8dd5090cca81cad154b7c6ac1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.343801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016870/publication.md
observed 2f38c845e490b78eb71ce05e4474b332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.326521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016870/publication.txt
observed 6b066e5733d13a0bcb7979578d6eb94d...
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.