OpenTechnical

OT-2026-000055185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented before set-down

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-2026-000055185) never changes.

Identity and time

Publication numberOT-2026-000055185 · never reused
Internal UUID01a0ae86-5e83-74c7-aff1-8818e86ee19e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055185
StatusPUBLIC

Content hashes

Canonical text6f143993e4b8f7ca6d34650fb4738e10dd276a69a23ac5df6bdcfa24bb25b27e
Markdowna2eedd0040558138e8139c96be1e2e77bb5683b8e83bb8cd993f6bca6cb10ade
PDF
Publication page978f620c9605e4151c2af50dcba6f994573af9ceb57820b1ba1fd258f817218e
Manifest801fb86770705973e9219ac79736e452b9a77d43cb7fced4f2ddfd83cc7ce32f

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
Signature4zRnmQTFsIhis8s9ndhocTNNVhnVxLdDNm7L8dwWVmAFivxJOIjdKmFHVXRrOzqsEgbbtmGr1/o+d9bk/keVDQ==
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

2026-09-17T10:53:22.585670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055185
observed 978f620c9605e4151c2af50dcba6f994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.567826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055185/manifest.json
observed 801fb86770705973e9219ac79736e452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.548684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055185/publication.md
observed a2eedd0040558138e8139c96be1e2e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.529872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055185/publication.txt
observed 6f143993e4b8f7ca6d34650fb4738e10...
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.