OpenTechnical

OT-2026-000061993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000061993) never changes.

Identity and time

Publication numberOT-2026-000061993 · never reused
Internal UUID01a0ae8b-b8ae-7b6f-a472-c8e159f71ff1 · 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-2026-000061993
StatusPUBLIC

Content hashes

Canonical textfc4d48ac903a3f0c5d60ed00d17862f40f01f8b5a87f7e9a4f0a0bedb1d7bcb6
Markdown868250588488f115b508b42aad9bb6e4a1673384233dfed9152b0dfde031c036
PDF
Publication page6d23a96eea4ad973edd2e804911cc27c76249ba0f1a0236371bff66f7f99a3ac
Manifestf93b0877f9365e0b8f7f73d9e544dcf554c969567e70f7c70d1e0e918aebe5bb

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
SignatureIX7TVA6zF5H/3y+yrURCwsEJBFD5Fa7+kdJRwHYRcaA1O1x5uvWYxJCDQJC/eUJy+N5t+jXZE9r/NQ0kIdhKBw==
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

2026-09-17T10:40:55.463311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061993
observed 6d23a96eea4ad973edd2e804911cc27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.441814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061993/manifest.json
observed f93b0877f9365e0b8f7f73d9e544dcf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.421620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061993/publication.md
observed 868250588488f115b508b42aad9bb6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:55.400168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061993/publication.txt
observed fc4d48ac903a3f0c5d60ed00d17862f4...
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.