OpenTechnical

OT-2026-000055287

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000055287) never changes.

Identity and time

Publication numberOT-2026-000055287 · never reused
Internal UUID01a0ae86-a100-7227-8b66-c4e9ee5abb22 · 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-2026-000055287
StatusPUBLIC

Content hashes

Canonical text6e61cf79676454d16f8e3955e909e74e8aa76a2f0f0a6af4adac8b727b9f29f5
Markdown7eb07fd01cf858469ca3d16b722ed820f73648550007f78f3b516f8ba7362701
PDF
Publication page49e0a3f898601813210e585515b7912792fd91d21681e19f5f4781e66cf721f0
Manifest306d331a7859bb9186becc03a92f860d11c9480720a7f621b74693af8914b91f

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
Signaturefm76VanulDsiLp4apM5yQNg/fg8wzzT/DU66lGsRoxl8YXuQPneMI2GENREWYqSJzuANzuG/ehHYdxNmJ7MaCA==
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

2026-09-17T10:51:53.167487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055287
observed 49e0a3f898601813210e585515b79127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:53.006360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055287/manifest.json
observed 306d331a7859bb9186becc03a92f860d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.990282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055287/publication.md
observed 7eb07fd01cf858469ca3d16b722ed820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:52.973363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055287/publication.txt
observed 6e61cf79676454d16f8e3955e909e74e...
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.