OpenTechnical

OT-2026-000078694

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000078694) never changes.

Identity and time

Publication numberOT-2026-000078694 · never reused
Internal UUID01a0ae95-ccbb-74c4-9a49-fcde9fd4111f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078694
StatusPUBLIC

Content hashes

Canonical text431246644023f24b5a91790ecd363c3c10cfbfeb924fcae0ef47e49687dbff0c
Markdown4f1422f892c0e2e7ddc29a7144334d8e4faf1208299495cd8e8a7f15d04be442
PDF
Publication pagef1cfd9c73eba0e92be27c592d29d0aaaf574f6b091b1b031d55da9d59b59e23d
Manifestfe97ef48dbe41160a15e38391e46325a74f509713084f1f0cc85d8a2291934a0

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
SignatureFrWPz7J3psaCrdoNKsUA2M00SU1ae7PWCBw4bPa+gjo32VlcbCK0yEcr+kXYCTVkl1YLLu0N5LdOhd2uktszDA==
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

2026-09-17T10:05:28.515010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078694
observed f1cfd9c73eba0e92be27c592d29d0aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.498864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078694/manifest.json
observed fe97ef48dbe41160a15e38391e46325a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.481329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078694/publication.md
observed 4f1422f892c0e2e7ddc29a7144334d8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:28.463164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078694/publication.txt
observed 431246644023f24b5a91790ecd363c3c...
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.