OpenTechnical

OT-2026-000042938

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000042938) never changes.

Identity and time

Publication numberOT-2026-000042938 · never reused
Internal UUID01a0ae7a-c0d1-7eb3-ae42-729f0641035e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042938
StatusPUBLIC

Content hashes

Canonical textb5c950df3dd33156125173a86357ea963166d61f33c13b1e3fa896bcf4a16838
Markdownb283138eda0a17465834176903260ac90eb4c5ea7053293ae7d0577a41d1648d
PDF
Publication page1f01e582b9cc0d713958e5e5453e718a3534f6cdafd1a1a6b130cd115ce2d409
Manifest567896d19e0205e84159e3de5992b475c45b756ca30d7394612313a0b16809ee

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
SignatureDC0JUO3ugu8C4Vw+aBJnNxEKmF/ztOYB3wUz4vv0QPFOqxB7dmFk7vmKFIVDOilprkYArI2Ehq/nIw1V3vQSCw==
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

2026-09-17T11:15:28.251152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042938
observed 1f01e582b9cc0d713958e5e5453e718a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.234400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042938/manifest.json
observed 567896d19e0205e84159e3de5992b475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.216453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042938/publication.md
observed b283138eda0a17465834176903260ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:28.198801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042938/publication.txt
observed b5c950df3dd33156125173a86357ea96...
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.