OpenTechnical

OT-2026-000039413

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000039413) never changes.

Identity and time

Publication numberOT-2026-000039413 · never reused
Internal UUID01a0ae78-9675-7036-a629-255f3667a513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039413
StatusPUBLIC

Content hashes

Canonical text119a377f760398d448691acb13ce5a31aa5fff05453c993f87eede14e9bd1425
Markdown7ad8c7ff5cd086aca8099383602704c140f21496aec9450e37aa372c7e6bdeb0
PDF
Publication page220b8926e3e3a119f6c93fcdf00b49c9b8bccd75d03123b187e1f0a81e8edee0
Manifest0ad7f7dd6d2a048b76fe22e8eeed618b04d6ccdaef0aa0eb0a0a1ed6cec25366

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
Signatureh9D3t7R7FF6xJ+s9jDcVWo2DfN48n0Fh4gVDd31VJjg28JGGWACt6FRp4klRhTzEFr0qL+sU8RPB5QnRtjDlDg==
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

2026-09-17T11:21:01.511129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039413
observed 220b8926e3e3a119f6c93fcdf00b49c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.495422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039413/manifest.json
observed 0ad7f7dd6d2a048b76fe22e8eeed618b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.477743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039413/publication.md
observed 7ad8c7ff5cd086aca8099383602704c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:01.459471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039413/publication.txt
observed 119a377f760398d448691acb13ce5a31...
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.