OpenTechnical

OT-2026-000035939

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000035939) never changes.

Identity and time

Publication numberOT-2026-000035939 · never reused
Internal UUID01a0ae76-b4c9-7b59-a99b-4d1b0692a2cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035939
StatusPUBLIC

Content hashes

Canonical textcaf37f8a2d0441a10eb494c1c7819f0a78745a9a967059ea125ae302dc3e9362
Markdown0348fc8c9ffaf32d4f434779858518e8089763dd0992ecba85d4ea12689032f8
PDF
Publication page3aed3126e881711f292ad1e94a2c1a00c12827130d97e3d360d1a13577aef3f5
Manifest5add9e410c2ed7f24333f4a650cdc5e36d98594d199d955614d408b14b3e4666

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
Signaturel8gzsG9y6pZwxxzbSYHyZ7E59E7Ozv2yLU1Yju8y63c09StK1cfkFvGtpDOYFgA8V5eA8kTmy0awFd2fZVRcCg==
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

2026-09-17T11:27:47.486418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035939
observed 3aed3126e881711f292ad1e94a2c1a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.468363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035939/manifest.json
observed 5add9e410c2ed7f24333f4a650cdc5e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.450653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035939/publication.md
observed 0348fc8c9ffaf32d4f434779858518e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:47.433397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035939/publication.txt
observed caf37f8a2d0441a10eb494c1c7819f0a...
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.