OpenTechnical

OT-2026-000026209

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000026209) never changes.

Identity and time

Publication numberOT-2026-000026209 · never reused
Internal UUID01a0ae71-a841-77fb-83b6-8171efd1da9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026209
StatusPUBLIC

Content hashes

Canonical textbd555c7b48eb7087d78cc42fdad3821b9d11f101168b63d47c5f89b6a3e0b2e0
Markdown7cbd6ee0003a6b83d0ddc723be9c681afce75d058062c76a308c64efa0ff135c
PDF
Publication page8bc437f6b72002b85fbf3e7b7eb50d31ea9c3db0ea754b592f9ccab460a9b03b
Manifest88a4e0a2c2f7cc0ba51ca6f5ce1325f9c6c7b9312a2d41cd4dc543660adcb894

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
Signature7I3ap5MApn2KGTCUXR2cPz+G8B7OceHUlvsqEVo6llsvRVzoJfxD0B4HqOlfAQJhFTg5jZoQ667Jgew1fABPAA==
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

2026-09-17T11:46:43.528521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026209
observed 8bc437f6b72002b85fbf3e7b7eb50d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.510596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026209/manifest.json
observed 88a4e0a2c2f7cc0ba51ca6f5ce1325f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.490828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026209/publication.md
observed 7cbd6ee0003a6b83d0ddc723be9c681a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.472808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026209/publication.txt
observed bd555c7b48eb7087d78cc42fdad3821b...
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.