OpenTechnical

OT-2026-000058881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single 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-2026-000058881) never changes.

Identity and time

Publication numberOT-2026-000058881 · never reused
Internal UUID01a0ae89-479f-758a-bf8c-847be73eb835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058881
StatusPUBLIC

Content hashes

Canonical textfcca0329fe8b1efe661b78422bf44db308ae8ce2d1d1f9c352302c256ef26d41
Markdown9b44b80355ae6c01f338a445517c7c96d0c04dc8083c7d19869d77e3e5fd328f
PDF
Publication pagebeccc3884fbcab34d8c0f5af808bb1bbe81df6ae8010dec320416caced65d8f8
Manifest7d01de90a46afcbd939200ab188498d9f12c550aa5299903003cc98a5d350387

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
SignatureQOUqrjDgc0jnum6pPqzu3++8ne1VwdXyeFRRpcExENaLaWQGizO2cVFRJJiM6M5Zu2o0tER3x798qNRFHgqKBw==
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

2026-09-17T10:46:25.572173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058881
observed beccc3884fbcab34d8c0f5af808bb1bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.554481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058881/manifest.json
observed 7d01de90a46afcbd939200ab188498d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.536042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058881/publication.md
observed 9b44b80355ae6c01f338a445517c7c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:25.518452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058881/publication.txt
observed fcca0329fe8b1efe661b78422bf44db3...
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.