OpenTechnical

OT-2026-000043145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000043145) never changes.

Identity and time

Publication numberOT-2026-000043145 · never reused
Internal UUID01a0ae7b-327a-71dd-8aeb-ddf0b8f53a6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043145
StatusPUBLIC

Content hashes

Canonical textf66165eaac1959185d198dbdf8dccf3e7a07b74d52cbd6778aaad9ab4181ba3e
Markdown657b858e83729325e34bc1a5bec4706523033b63bab786c9ddac8efa96d32d3f
PDF
Publication paged2d1ed40713036dd7270b9e70c8872641fa72ee9862e2fac92f2fd2734e66ade
Manifestc2192adff19e144025b18b7dd6cd058a2af723c18e8428be7d05570af563978d

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
Signature+yh4uu09/7/hS4gUJUstJQr7/+6M6QvMxmVAA+6au+styLY5Ws7TrYkMV2k3cCscTxViZU2hPRJz172ke2qOCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:35.074221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043145
observed d2d1ed40713036dd7270b9e70c887264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.055426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043145/manifest.json
observed c2192adff19e144025b18b7dd6cd058a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.035524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043145/publication.md
observed 657b858e83729325e34bc1a5bec47065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:35.016206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043145/publication.txt
observed f66165eaac1959185d198dbdf8dccf3e...
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.