OpenTechnical

OT-2026-000060907

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000060907) never changes.

Identity and time

Publication numberOT-2026-000060907 · never reused
Internal UUID01a0ae8b-12f1-70f2-9786-eb1476399149 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060907
StatusPUBLIC

Content hashes

Canonical text66e5ce32f204f8fb7dde3b09a94729a49ecdf22e1f4ff0d9be3289e72ca4a0b0
Markdowna37c0ab0ecb7964b7cf1beabd61cb0896f526f5cb4d8e2c9db9c37051894619c
PDF
Publication page361adb7e3ec447f93cdf8288ca80db15d175117235739b9e25bee29a9fde8f5e
Manifest5bd291a2da167252592738006037ace66dc31490b160b826d8d9feda1c0f51af

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
SignaturepcZbUtGGSqSeibCgGCcC6zGz/8KSM76BLCOlbUSjd8irtad7qv5Mb9ipiM0fggsghYZAF+2guhKJYGtEA6o9AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:10.285874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060907
observed 361adb7e3ec447f93cdf8288ca80db15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.268900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060907/manifest.json
observed 5bd291a2da167252592738006037ace6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.250301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060907/publication.md
observed a37c0ab0ecb7964b7cf1beabd61cb089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.234729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060907/publication.txt
observed 66e5ce32f204f8fb7dde3b09a94729a4...
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.