OpenTechnical

OT-2026-000043951

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000043951) never changes.

Identity and time

Publication numberOT-2026-000043951 · never reused
Internal UUID01a0ae7b-d678-71c2-9aef-9a24505ce19c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043951
StatusPUBLIC

Content hashes

Canonical textc258e78671b55271902f3a07d2dae81e35487467fe5422f7679abf66e3496dc4
Markdowncf4457dd63410291b0dfbeda028aba8d2144fab009ef0c4c0f69a4c5115628db
PDF
Publication page3c318c0aedb039e47859bf912d2414914899e512bcd6cbb6fe87add01fd009c2
Manifestbd388e5fdb9beec1f778d6425c18dde41489bbd23efd963554124d4d6187cbbc

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
SignatureU4zvC2MxYIz2ZQWeTdcKnRcTi6x1ZgzZIL1So/+LwUvzLjBA4NaSc1vNU4bRVwOcw6+r6aHsN3asJqgxLxwXDw==
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

2026-09-17T11:12:18.371860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043951
observed 3c318c0aedb039e47859bf912d241491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.353265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043951/manifest.json
observed bd388e5fdb9beec1f778d6425c18dde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.333971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043951/publication.md
observed cf4457dd63410291b0dfbeda028aba8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.312796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043951/publication.txt
observed c258e78671b55271902f3a07d2dae81e...
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.