OpenTechnical

OT-2026-000041090

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, sustained blow-off after 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-2026-000041090) never changes.

Identity and time

Publication numberOT-2026-000041090 · never reused
Internal UUID01a0ae79-b142-7321-a095-d51d489b4c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041090
StatusPUBLIC

Content hashes

Canonical text283cd04363cbb58f7b63c95076937a84c9a69e9081cfc005ef0cd3deea7458ec
Markdownb41a57a6d4e6fc9417027d8fdcc30b5a995a14aee8a99ffff106c9dc9cf2c874
PDF
Publication page622d7a2c8a0914f606f0d5ef60bf36f0a9c2924e3aa69d7f292ac18d42cd9f81
Manifest8df705ac3fcc2915666ee9b4226e313340d8a4cf2a3c790f671c6d2ecf1423df

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
SignaturemTMUb1embP8XCGUcrcqvxQmnBdcHnX5/bPH+L7SWBT1R5qyF2/SVcGAsL3bSXC8XB419e1FHpvJ6mAQDbftEDA==
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

2026-09-17T11:17:00.500435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041090
observed 622d7a2c8a0914f606f0d5ef60bf36f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.482936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041090/manifest.json
observed 8df705ac3fcc2915666ee9b4226e3133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.463988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041090/publication.md
observed b41a57a6d4e6fc9417027d8fdcc30b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.448084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041090/publication.txt
observed 283cd04363cbb58f7b63c95076937a84...
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.