OpenTechnical

OT-2026-000011088

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000011088) never changes.

Identity and time

Publication numberOT-2026-000011088 · never reused
Internal UUID01a0ae6c-540f-7b3e-bfba-04f4004d146d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011088
StatusPUBLIC

Content hashes

Canonical text0b9ac74662374bfbe45d5a942c37d1b779befe9257036bcc22d0b2612dd83482
Markdown36375a3ccb773c4b11eab37813d09d13d8aec18b7291539a18c38c98c9edcf74
PDF
Publication pageded985cddfb7c2d1d80c26e11c2635efc044c91ea41c8d22a8adc0cb5aa2488b
Manifestc3a3e183dd9daf87f321753b5294ee2c505e4245a8e13a111f5914c9e4683eb3

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
Signatureu3KxbjHBlTyjzLKCN4jFnkW5RMeY3Brt+vKgs+BTBp1YG4J/Jgv8e5Pho0iqW0Z+pap5a8+RqkaOP2Ra2IEPCg==
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

2026-09-17T12:13:55.778104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011088
observed ded985cddfb7c2d1d80c26e11c2635ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.756385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011088/manifest.json
observed c3a3e183dd9daf87f321753b5294ee2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.738344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011088/publication.md
observed 36375a3ccb773c4b11eab37813d09d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.719040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011088/publication.txt
observed 0b9ac74662374bfbe45d5a942c37d1b7...
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.