OpenTechnical

OT-2026-000063164

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000063164) never changes.

Identity and time

Publication numberOT-2026-000063164 · never reused
Internal UUID01a0ae8c-94ab-727f-b697-48b6315b5192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063164
StatusPUBLIC

Content hashes

Canonical text2ba14d6a75c45cd64b93c78b82d7207215a0a592dcaf042fcc6c2323f1d89592
Markdownf0d925bba0c0c1c5ca407fe4b204cbdabe4f2173e6b54244f8dbb7f9a77a5611
PDF
Publication page6a50b6e24d02f823d48aeb9aff99b1f1131a1e7e1fa5165f8030cd19a370785e
Manifest6dc968e5691a35ee3de5e4fdd7496de4373faf4c2fccb624800a39987bff595d

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
SignatureOimBzmka5gA0p2MPHS4KwaIiwYe0W/ThPv0NcM8qFcVj3PZSOTN1qqqPuXR5qMwlhzCp8XKDmPGckKt7rcaRBA==
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

2026-09-17T10:38:57.224673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063164
observed 6a50b6e24d02f823d48aeb9aff99b1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.207732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063164/manifest.json
observed 6dc968e5691a35ee3de5e4fdd7496de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.189227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063164/publication.md
observed f0d925bba0c0c1c5ca407fe4b204cbda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:57.170901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063164/publication.txt
observed 2ba14d6a75c45cd64b93c78b82d72072...
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.