OpenTechnical

OT-2026-000035783

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000035783) never changes.

Identity and time

Publication numberOT-2026-000035783 · never reused
Internal UUID01a0ae76-b4c8-72e0-931c-a7e121e34c4c · 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-2026-000035783
StatusPUBLIC

Content hashes

Canonical text61e417c02cded4c23a924ca33cde4db3b9ddd8fd4507946aa4926ec3c5d7e33b
Markdown6e9dec3c169d34837a2004b04caf184c4f714cc867461839122e84efa8e0d75a
PDF
Publication page93784ff6574f2d4c8bb12e750ca5671173c8c639cdb046e7e542e961e9dcdc29
Manifest0130a8a9fe4f17d4f3a0dc457937bcf3ec19363e31b6fe761555777368349968

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
Signatureaq07rolRPpYd+bIhO6OGqikBf8EFPy4l0NXzwZEtbMTKf4W2nfS+9tgyFrAmNEKzXaL6RfKJh+9/KdM+kd3YCg==
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

2026-09-17T11:27:29.210198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035783
observed 93784ff6574f2d4c8bb12e750ca56711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.191829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035783/manifest.json
observed 0130a8a9fe4f17d4f3a0dc457937bcf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.175257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035783/publication.md
observed 6e9dec3c169d34837a2004b04caf184c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.159224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035783/publication.txt
observed 61e417c02cded4c23a924ca33cde4db3...
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.