OpenTechnical

OT-2026-000042216

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000042216) never changes.

Identity and time

Publication numberOT-2026-000042216 · never reused
Internal UUID01a0ae7a-5d72-7eb7-945b-34f171bc5ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042216
StatusPUBLIC

Content hashes

Canonical text5e9cc5a9aacc595a4eb9ff1ca49e6a2e9ee2cfdded8b47969c7744cd8a881419
Markdown6a717aac987fa1700de771b0726f63a8c6e3e1c288f6c169ec7a24ddc97199c5
PDF
Publication page5eb80badf49ec9dd52ed334ffb326074ce74569f8b780370a3c4fa69bceb5812
Manifest56bc552d471abc0f6fd442a0374aad6ae35c2b5722e2198e9696311b3b740b7e

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
SignatureiEd9iOK0IZXp7gLggn5uyKushKTct+p56IMALYGYYE1deCfu7LrdeJwK9Ptq95Tpqt8iL5pwrWIbDqGNiGKEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:53.258571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042216
observed 5eb80badf49ec9dd52ed334ffb326074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.241238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042216/manifest.json
observed 56bc552d471abc0f6fd442a0374aad6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.222734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042216/publication.md
observed 6a717aac987fa1700de771b0726f63a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:53.205327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042216/publication.txt
observed 5e9cc5a9aacc595a4eb9ff1ca49e6a2e...
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.