OpenTechnical

OT-2026-000089089

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000089089) never changes.

Identity and time

Publication numberOT-2026-000089089 · never reused
Internal UUID01a0ae9b-daff-7567-85ab-ffe05d3327e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089089
StatusPUBLIC

Content hashes

Canonical text5b392419013e60d41ea3ea34847d87979cb609a68600c8a1ada9a36db21d5b71
Markdown342b44b5f86cc299c4c1a59af760db1bab6a25c6e171d3869d3b789e4624e6f8
PDF
Publication pagee8d9e0059d40944c901b3babae27535e9c27aabd8fce7f1df826f3d638293826
Manifest5cbd77bb055b884cf1f4a128961a44a6a6c25673fcb0d6cea1a3dd537b152506

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
SignaturezEdsdm9+0F1+GYjdtyJLfTrcTaEbVlPQWjfpodPvTPDduGooedkHz5TzE68r1zGYbRYoR7xDxEmxDrzigmIlDw==
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

2026-09-17T09:46:59.727715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089089
observed e8d9e0059d40944c901b3babae27535e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.711600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089089/manifest.json
observed 5cbd77bb055b884cf1f4a128961a44a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.695180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089089/publication.md
observed 342b44b5f86cc299c4c1a59af760db1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.675859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089089/publication.txt
observed 5b392419013e60d41ea3ea34847d8797...
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.