OpenTechnical

OT-2026-000079390

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000079390) never changes.

Identity and time

Publication numberOT-2026-000079390 · never reused
Internal UUID01a0ae96-0b91-759b-a2d6-aa717e622b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079390
StatusPUBLIC

Content hashes

Canonical text7f779ca34e45bbfe45eb7b27e7e13c1a005fd75151834af588a5d1e947f6b7fd
Markdown6b987c14935902649c2ce3ffb8a9024215addbdface1fa5869622fb60c33f992
PDF
Publication page82003026207b96454865701e83349219411e7a9bfa82eef6121d35bf9392d9d5
Manifest6d89fc0baf608da20344d7bd4294f245cfae4a534301f2fd5a83ef50ea3e4c84

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
Signaturex8UhfJQgZiILm+gnUk9uiubqF0AVLE7VsIZgqA27jXiU1watP6CrIsSVMxrh9uU9aSv3f1D9nkA9fxrVnWbEDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:00.696628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079390
observed 82003026207b96454865701e83349219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.680635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079390/manifest.json
observed 6d89fc0baf608da20344d7bd4294f245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.662911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079390/publication.md
observed 6b987c14935902649c2ce3ffb8a90242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.645852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079390/publication.txt
observed 7f779ca34e45bbfe45eb7b27e7e13c1a...
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.