OpenTechnical

OT-2026-000068146

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000068146) never changes.

Identity and time

Publication numberOT-2026-000068146 · never reused
Internal UUID01a0ae8f-c4ff-765c-9865-6e9ed1eb3bf2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068146
StatusPUBLIC

Content hashes

Canonical text6c2843057d843ce6c1f5e14d401f4d981f04bb055e96b6ae77004da962fce6b3
Markdown8e66a09bdef604ba11b9e28427b2bead714ed2d7e4f5b7bbdc17fd708a433f55
PDF
Publication page3ed8f017c02074acb85ea2b7ed6b3eb484670409c400742d989095ac36111f00
Manifest5ac382095284e5a544ad7f9501cc177a7aa224a87c89de01bbf1d94f37eb3d8d

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
SignatureQaqKfB1JDkW1Bp18HFvZPuevr79WAnx6IfnPIVIIJ0QMYo7p1kP10NHpouKb4V1ELLJfJA2OBzXFNeau2/8+Aw==
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

2026-09-17T10:30:47.720852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068146
observed 3ed8f017c02074acb85ea2b7ed6b3eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.702196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068146/manifest.json
observed 5ac382095284e5a544ad7f9501cc177a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.684813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068146/publication.md
observed 8e66a09bdef604ba11b9e28427b2bead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.665806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068146/publication.txt
observed 6c2843057d843ce6c1f5e14d401f4d98...
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.