OpenTechnical

OT-2026-000081428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000081428) never changes.

Identity and time

Publication numberOT-2026-000081428 · never reused
Internal UUID01a0ae96-f375-7edf-98ff-6061500f6273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081428
StatusPUBLIC

Content hashes

Canonical text24b342d27f597d4e4dfcd4959577ee08b7a9d5d3fcb51eba71087afd33166c02
Markdowna33e4f9aa60149667e5731fab718f165dd49d5e9d159c0ac2033e6abe652ecf6
PDF
Publication page2b3bb738a145ed4f3cf66969a57e2c1c0eac1cd208623e555066e681c9453866
Manifestde709f5ce9c92b76232d4b724379f8e84f64c74c463c2ef7d5470c29ccf243c7

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
Signature/K8WfwQlXwsNLOzT1/Qr5lw2ETuKL1tg2YK11sNmmVWOPX1UtQaASkKkW7gYOqtrdLGoh4fNnaYfYDG8TAmWCA==
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

2026-09-17T10:01:35.022049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081428
observed 2b3bb738a145ed4f3cf66969a57e2c1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:35.003524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081428/manifest.json
observed de709f5ce9c92b76232d4b724379f8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.984690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081428/publication.md
observed a33e4f9aa60149667e5731fab718f165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:34.966639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081428/publication.txt
observed 24b342d27f597d4e4dfcd4959577ee08...
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.