OpenTechnical

OT-2026-000059321

Publication integrity record

Six cup vacuum gripper, six 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-2026-000059321) never changes.

Identity and time

Publication numberOT-2026-000059321 · never reused
Internal UUID01a0ae89-8614-765a-ac47-cace513dd0d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059321
StatusPUBLIC

Content hashes

Canonical textae38334b00572fa9c49b48e6f3922cc038ffd7b2b45eb2355a879ba7dd155e51
Markdownb0a49b29183b2765e4e424eddc5f8c543ea04cb6a960a9d9ccb9815b96ad37cc
PDF
Publication page90a8d843bf4354e45f3680f17a4ec9a0108abc1e7fb5791d252107dc27e17ea6
Manifest516bf2123fcf0827e47449117985127ae697a8f67235f991f06cf518ca4e8c96

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
Signaturej2YvXwG/viBhpGBQOZaMcokSxgj5hZxkXZmLLlnd0B/A77SORRF6nDFYFROuVccRZEU654M65V77Pcb79WztAQ==
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

2026-09-17T10:45:58.618503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059321
observed 90a8d843bf4354e45f3680f17a4ec9a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.599438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059321/manifest.json
observed 516bf2123fcf0827e47449117985127a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.580782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059321/publication.md
observed b0a49b29183b2765e4e424eddc5f8c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:58.563965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059321/publication.txt
observed ae38334b00572fa9c49b48e6f3922cc0...
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.