OpenTechnical

OT-2026-000055336

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000055336) never changes.

Identity and time

Publication numberOT-2026-000055336 · never reused
Internal UUID01a0ae86-a100-7171-834d-02c15589778e · 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-2026-000055336
StatusPUBLIC

Content hashes

Canonical text9e0bfd787bf5da0f6bdd2bcec5221b753ef2e878377907a87615ecf99401f2eb
Markdown85065a03426e9745d1727a47d4b8cbe70165e0210a822fa78b40e5392a7dea43
PDF
Publication page4241e415973e2eed3c1cb5fcfa42f16304ad447325a65fe8bec24f65d5165b93
Manifest0f2fded544898adcf0626e16adcdfab4daa9020520724dfe90a54f108c79bf82

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
SignatureHqDvobb7OP9wQLPKiHRZWmz86wQ+ZmOTIhP8KV1TMjbMvn7nI3s2OYxizFXM9Y1t7QFtI/OeHyqlTcasZxuWBA==
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

2026-09-17T10:51:57.488717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055336
observed 4241e415973e2eed3c1cb5fcfa42f163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.471880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055336/manifest.json
observed 0f2fded544898adcf0626e16adcdfab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.454627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055336/publication.md
observed 85065a03426e9745d1727a47d4b8cbe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:57.436841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055336/publication.txt
observed 9e0bfd787bf5da0f6bdd2bcec5221b75...
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.