OpenTechnical

OT-2026-000087922

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087922) never changes.

Identity and time

Publication numberOT-2026-000087922 · never reused
Internal UUID01a0ae9b-1aa5-715e-bf27-b148e0aaa578 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087922
StatusPUBLIC

Content hashes

Canonical textbf9d15b93940b23a90e5dacb0a4e695ca664e34a410b9675c87ff9560e07f4c6
Markdown9a83e805835fea0f82556df7b68a78a5b5fbf54563c72b87587cd10fe15f4a04
PDF
Publication page8982edfd4ee75daab6534a24b757d045dc1bf078f934f63566e7638f0e8aba40
Manifest4e5378d95707c4a8177655dd593ca318729e3b818570a5343e485b2097ac1815

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
SignatureIh4BPpGZ2TIPMI7gnDdOrHSzkOO64QI5PmprLE6n34+OVwZwF+u6suPAoJWl/oyX2tnCa1BX/o6GuMbi/IB/AQ==
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

2026-09-17T09:49:12.587165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087922
observed 8982edfd4ee75daab6534a24b757d045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.570047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087922/manifest.json
observed 4e5378d95707c4a8177655dd593ca318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.549777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087922/publication.md
observed 9a83e805835fea0f82556df7b68a78a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:12.530567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087922/publication.txt
observed bf9d15b93940b23a90e5dacb0a4e695c...
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.