OpenTechnical

OT-2026-000062105

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000062105) never changes.

Identity and time

Publication numberOT-2026-000062105 · never reused
Internal UUID01a0ae8b-b8b0-7c70-9831-568f1771be61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062105
StatusPUBLIC

Content hashes

Canonical text4f1f001c25e3d1d30a91601697bc8d2853990234edb04ffd7e502c1a8ca8c14d
Markdownef4ecf9cf3cac70a57dc1724dc60cf331a5716a2c77580a8c2e77b6ad31a1abe
PDF
Publication page7309079fb5005e66290bd4e5229e9b46d5858eb0d96bdb14d0c4ef844abe38c7
Manifest4f10785c7ba19f8d4bf10e757ceca9a3bde27fa176fa75ab7f4dd92058b92d2c

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
SignaturejtV2XaTKtRcHO6GrcUnrHboQyp2A5SMsNvtPcQlPFwry0XIBE2EB4cO/Uh51/KizIdmbx5Yl7nd9lVB/zce6Cw==
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...

Independent retrieval

2026-09-17T10:41:09.820410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062105
observed 7309079fb5005e66290bd4e5229e9b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.802200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062105/manifest.json
observed 4f10785c7ba19f8d4bf10e757ceca9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.783824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062105/publication.md
observed ef4ecf9cf3cac70a57dc1724dc60cf33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:09.766873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062105/publication.txt
observed 4f1f001c25e3d1d30a91601697bc8d28...
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.