OpenTechnical

OT-2026-000027740

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000027740) never changes.

Identity and time

Publication numberOT-2026-000027740 · never reused
Internal UUID01a0ae72-699a-7208-9066-317994e2e798 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027740
StatusPUBLIC

Content hashes

Canonical text7383388fd05fc12ea36d12e5da242295790348ab931f906d38ac640f9ee145ee
Markdown7090fe8c0ada401906be3a87a98919bfd478d7e55804e5960348318cf7ee9112
PDF
Publication page414c130eeba83454bdd146dc4e40bf41c484a36040ec2c6f88976bec3a8b1a70
Manifestf263caa90fa4756d94f2ca3dfc24bf0ec1e5c3c37c00a5ef1b522115cb66db7c

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
SignatureeJVGRGmGZ1gjkyXGqRzNspwFhk9FXzwEZNgYcL6r3AmVjFXy8ZYcfEso7397zO98W3zQqaCqT8UW4gLuQTlGCA==
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

2026-09-17T11:43:18.015939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027740
observed 414c130eeba83454bdd146dc4e40bf41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.997291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027740/manifest.json
observed f263caa90fa4756d94f2ca3dfc24bf0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.980135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027740/publication.md
observed 7090fe8c0ada401906be3a87a98919bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:17.963182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027740/publication.txt
observed 7383388fd05fc12ea36d12e5da242295...
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.