OpenTechnical

OT-2026-000070146

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented before 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-2026-000070146) never changes.

Identity and time

Publication numberOT-2026-000070146 · never reused
Internal UUID01a0ae91-1862-78ea-a934-13c3aa92ea3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070146
StatusPUBLIC

Content hashes

Canonical text9ddd00aad0ea6483f169b3dd5b5fb614e4fef413b9282e7861d3199208172200
Markdown4b40e54c99db9480561eff154fedb68bc6f45c0ea411776890b03e344bd1cc91
PDF
Publication page67cf8a30b07697dd2cbc216f7df5adfff5da0920fae891fc1dc29080b06b85a9
Manifestcc78cd37b06034a8a75f77cfdd4ec6d87dca4ca7a6ed125e2254eb90558f5d65

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
Signaturea4CUXfqRsLl8S73TOSERTCcJRiYsW+HyeiV+jn7U83e0qoRH3IZqmyvdyWCW5E0Ox0uYKLarUvDBb+MRetu4AQ==
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

2026-09-17T10:27:11.476811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070146
observed 67cf8a30b07697dd2cbc216f7df5adff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.458577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070146/manifest.json
observed cc78cd37b06034a8a75f77cfdd4ec6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.439007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070146/publication.md
observed 4b40e54c99db9480561eff154fedb68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:11.419662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070146/publication.txt
observed 9ddd00aad0ea6483f169b3dd5b5fb614...
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.