OpenTechnical

OT-2026-000087749

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000087749) never changes.

Identity and time

Publication numberOT-2026-000087749 · never reused
Internal UUID01a0ae9a-cd55-7d82-9c55-d8a90d9ba4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087749
StatusPUBLIC

Content hashes

Canonical text14dc73a40818ee59e94ce484dd5a9cfe432668945c4317b9c14a85244a5dca5e
Markdown56d46b3e3f8974e89f19c1a6388a000d8631ef449ca24ead13c69eadb7147733
PDF
Publication page43c6efef6eae10f3a8c23a0437307e4d46dcd424f448b67b67d3336b1a4d67ed
Manifest5f69c40cb56d26deec46a4079a0bf51256e2fb50dcb72d55a9dc73a75a284129

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
Signature8ECkRnkL5oFuK+vZLTZnUa0vE8Lm4LiJ5WT3myZXTFYfSuMUt7Vj+0J4V2DSDZAasLpc0FK1Okr3Dfrbc3x9DA==
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

2026-09-17T09:51:12.321571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087749
observed 43c6efef6eae10f3a8c23a0437307e4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.306019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087749/manifest.json
observed 5f69c40cb56d26deec46a4079a0bf512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.290053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087749/publication.md
observed 56d46b3e3f8974e89f19c1a6388a000d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.273565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087749/publication.txt
observed 14dc73a40818ee59e94ce484dd5a9cfe...
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.