OpenTechnical

OT-2026-000055436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000055436) never changes.

Identity and time

Publication numberOT-2026-000055436 · never reused
Internal UUID01a0ae86-a101-7e0c-9ec1-9d34f0e0488a · 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-2026-000055436
StatusPUBLIC

Content hashes

Canonical text60b291b9aafa251a328f23a51883c1b414791977dbc56f76f0aea0bded4d1e0c
Markdown2bba1428e51e8ca6072289a667c8061ee9426ddb7e43f507cc2a7407f1883bd7
PDF
Publication pageeb90c10b326c6259c3b85a3b697ebde810d59d0d5dd1df9d8827b0bdf1a04b60
Manifest2a97ba73c98db66a447a1cfcf5ff13b2c0ef4f30b96acd19750f65442fa276c3

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
Signature/QzsNij+FegD/qgozccr/7A+U767FJpaaolyOmkUF5fG3Q/5sdynKgOoQc/Seqje6BVUQw55rtUPc5T9R7EoAw==
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

2026-09-17T10:52:05.184491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055436
observed eb90c10b326c6259c3b85a3b697ebde8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.166169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055436/manifest.json
observed 2a97ba73c98db66a447a1cfcf5ff13b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.148059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055436/publication.md
observed 2bba1428e51e8ca6072289a667c8061e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:05.128623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055436/publication.txt
observed 60b291b9aafa251a328f23a51883c1b4...
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.