OpenTechnical

OT-2026-000055198

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000055198) never changes.

Identity and time

Publication numberOT-2026-000055198 · never reused
Internal UUID01a0ae86-a0fe-7596-8b7e-072f2baa2d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055198
StatusPUBLIC

Content hashes

Canonical text5e42ac60dda1ae5b8dc2d46cd546e296f07654908d98e8f99248bff74ae6d3a6
Markdowna48c13fae6c807bbb1cb0e1419c560796b9bb04c1f4a37ff9a6b6849ae6440bf
PDF
Publication pageff0842d0145e1a1ae5d19ecfbcdd8352f399fda934ac9e92dc0884f631cebbd9
Manifest90387e7ca501824e64278c0842c554dd381bcb41ffad0396332197bfa56d3471

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
SignatureTiFd9oW+AiEeY2l8if2U54C4P4oQVv2IJk3LP3GhjabDh3RMBrMXaqEXzk1li3bEKAR8AahVnplidQPhOAg7Cg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:46.380355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055198
observed ff0842d0145e1a1ae5d19ecfbcdd8352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.364138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055198/manifest.json
observed 90387e7ca501824e64278c0842c554dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.346359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055198/publication.md
observed a48c13fae6c807bbb1cb0e1419c56079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.328245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055198/publication.txt
observed 5e42ac60dda1ae5b8dc2d46cd546e296...
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.