OpenTechnical

OT-2026-000007067

Publication integrity record

Bellows cup vacuum gripper, plant vacuum fed, pressure verified, plastic cups, 1 fold

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-2026-000007067) never changes.

Identity and time

Publication numberOT-2026-000007067 · never reused
Internal UUID01a0a971-6e08-7359-a887-1ff6bfc53ff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:59:38.379267Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007067
StatusPUBLIC

Content hashes

Canonical textfa952351e0c4954712eb7aeb633a9a0a3200ac75c8a8ccd24f0105b96d5efea2
Markdown11b480a61bde8adc7edc64b49a60c57e85fcbedf41ab17ed22fa0eb30345e439
PDF
Publication page535b4e0543ea711f095d6c4809a6e12dec751b90583b2661a1c813c4cda9c2bb
Manifest14f08656622b815ca7727731a8d056b6797f48c2c005b3bfb27525ecad79387d

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
SignatureyCTcGqHty254M1xOOqKADgAdkzfD7WJ8v8wSSoIjjBsswS4PR0prdsr3B6ZM6htZPgFGpOvILFGv0Ejd2ZyoDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:05.500696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007067
observed 535b4e0543ea711f095d6c4809a6e12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.236967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007067/manifest.json
observed 14f08656622b815ca7727731a8d056b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.215821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007067/publication.md
observed 11b480a61bde8adc7edc64b49a60c57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:05.198032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007067/publication.txt
observed fa952351e0c4954712eb7aeb633a9a0a...
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.