OpenTechnical

OT-2026-000061527

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000061527) never changes.

Identity and time

Publication numberOT-2026-000061527 · never reused
Internal UUID01a0ae8b-7b44-728b-a7c0-b7451277b115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061527
StatusPUBLIC

Content hashes

Canonical textc85d53514062f26665eef2c77681b70b1b2138897be631a077532c6c6bd1945a
Markdown256621d01ac255524e7cc94ebf5e3a2d3a09239ea7e5eee5f5dcd2db5b3eb813
PDF
Publication page6b90491c3b0544f89acca9a33a0bb922d8e38d10857a2e562b8c9f1b03f883e4
Manifest9765bbcc25443552d663805b626351216662a5c30934bd53974c1144ac598d79

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
Signature+GkfkkYpSHQBvk+vkWbgr1PfVe665ByP80t/bd31sDcfAoM+GjQvBk/b/2PlXUFAzc0HVKZenjvId/foMAMCAw==
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

2026-09-17T10:41:25.938976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061527
observed 6b90491c3b0544f89acca9a33a0bb922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.922332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061527/manifest.json
observed 9765bbcc25443552d663805b62635121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.904577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061527/publication.md
observed 256621d01ac255524e7cc94ebf5e3a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.886627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061527/publication.txt
observed c85d53514062f26665eef2c77681b70b...
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.