OpenTechnical

OT-2026-000078592

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000078592) never changes.

Identity and time

Publication numberOT-2026-000078592 · never reused
Internal UUID01a0ae95-7c29-7493-8d3f-86c30ce56955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078592
StatusPUBLIC

Content hashes

Canonical text9b55e49e67d0b8ddfde72a7436046222176a98fc416acdd741c86aa1ece7ae06
Markdownc680706813e26ddb43d046ab5d8054b4572dcb924e1110d4238fb3e874714b58
PDF
Publication pagecb6aeba42e8af3ecf598b5b74f03dcbc05dfa8f27c4eea5087f6ab4c9162715e
Manifestd4dac07a6f40ab05eb19fe8158dc37e912e1497317bf4cf205ebd5e4fe216163

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
SignatureIbmEVRpBnAL3O2KJOvyYRacIHzJZc1tK22+2C9y+mK1MFQBJlwX3bCmsr+Y7UrCVpah6seSHj5QM5UGiUkVbDA==
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

2026-09-17T10:06:37.278552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078592
observed cb6aeba42e8af3ecf598b5b74f03dcbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.260571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078592/manifest.json
observed d4dac07a6f40ab05eb19fe8158dc37e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.239801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078592/publication.md
observed c680706813e26ddb43d046ab5d8054b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.220645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078592/publication.txt
observed 9b55e49e67d0b8ddfde72a7436046222...
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.