OpenTechnical

OT-2026-000017102

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000017102) never changes.

Identity and time

Publication numberOT-2026-000017102 · never reused
Internal UUID01a0ae6e-591b-7962-81e8-f435d56f68d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017102
StatusPUBLIC

Content hashes

Canonical textcd90d9d1f11eb52e78aefc61bb244d8bf62629b83d22f7aaa8227b00915244a4
Markdown62fb1725d203ce378c71c0b22d9bae4d761a7f0d061467ca73ca24c046273add
PDF
Publication pagef1ee9bf6f8c586482e206b6429185bd1e93de73dc6956f5b166bedcb5e2726f5
Manifest383852771629155f7cf77cdb81a236a05f7397ce3d625a39fc3dbb45aaa9f5fd

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
SignatureDWflv6wy5QcBDvTkLVXYRANPfm+797P7yyTZjlAHzDyNxfSEPYAjdiWwRPV/sY2uF8qWemTOVKwpLZwEx+EMDQ==
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

2026-09-17T12:03:31.606562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017102
observed f1ee9bf6f8c586482e206b6429185bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.588213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017102/manifest.json
observed 383852771629155f7cf77cdb81a236a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.571912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017102/publication.md
observed 62fb1725d203ce378c71c0b22d9bae4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:31.553977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017102/publication.txt
observed cd90d9d1f11eb52e78aefc61bb244d8b...
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.