OpenTechnical

OT-2026-000017543

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000017543) never changes.

Identity and time

Publication numberOT-2026-000017543 · never reused
Internal UUID01a0ae6e-76ca-7686-a8cb-7ea4c3dc428e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017543
StatusPUBLIC

Content hashes

Canonical text5f435fd554838dd25b1cae1634e5bbdd5324a674ac6661dbdd67a7d2bb33d09a
Markdown395bd353106ee5c29451ec6ae7c1b8e968a63c05842ab2afb227ce2313d002a5
PDF
Publication pageb97760e652ff9b4039a9a13af4a443e088492c12e186306152424deefb0f0f5e
Manifest1d22627a5da0668a0230f756d34df906ac4bbb1d0d931ac955a24c025a23f9ad

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
Signature8CszRFiGTHFR2F2+ucQO0+Xm5rkXovCxuc/3lgKhDEyGW2NcieBM2QWcCTRuGVUctQkyjP6axOz46QIak1BzDw==
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

2026-09-17T12:02:42.433591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017543
observed b97760e652ff9b4039a9a13af4a443e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.416302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017543/manifest.json
observed 1d22627a5da0668a0230f756d34df906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.399354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017543/publication.md
observed 395bd353106ee5c29451ec6ae7c1b8e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.380837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017543/publication.txt
observed 5f435fd554838dd25b1cae1634e5bbdd...
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.