OpenTechnical

OT-2026-000039495

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000039495) never changes.

Identity and time

Publication numberOT-2026-000039495 · never reused
Internal UUID01a0ae78-9675-7e34-8757-6f9d6fcada41 · 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-2026-000039495
StatusPUBLIC

Content hashes

Canonical text287f702596964cf92f17c3e4e8dd7fd77aba21090297679681e14e941ee098ac
Markdownb2b7dfbcbdb95a9308525f57c3d10f59121fe1b73cf4eb27d15132ba36091741
PDF
Publication pagedbe3577ccd86be4f10aed3353a5de204cab5a7c58b21fd7085b4a07318db9bb1
Manifest63824e610e92d5fe07254bb8a9afabe7fa49d7165f5751ea989af21f6602f68c

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
SignaturemEwKcwSFxppiQSas3o9hSQ0je6XWX8LWfZNUFkj6RgSAm5nB8svdAKAOv8dYa+UX2O5aypiqwK9b6LeY2rNIBA==
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

2026-09-17T11:21:07.382522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039495
observed dbe3577ccd86be4f10aed3353a5de204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.365116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039495/manifest.json
observed 63824e610e92d5fe07254bb8a9afabe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.347880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039495/publication.md
observed b2b7dfbcbdb95a9308525f57c3d10f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.329321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039495/publication.txt
observed 287f702596964cf92f17c3e4e8dd7fd7...
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.