OpenTechnical

OT-2026-000007090

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pressure verified, silicone cups, oval form

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-2026-000007090) never changes.

Identity and time

Publication numberOT-2026-000007090 · never reused
Internal UUID01a0a972-56a7-757e-9948-167346971623 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:37.929286Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007090
StatusPUBLIC

Content hashes

Canonical text759874dc0c6bd8165437b3d2f29dc95e585e9b84e36ce97b4ddb24fdf7114a0b
Markdown39a219e37a45c9d604628c9f7cb1bf08f9fea1d4f420e4ed4f25587fb50ecb8d
PDF
Publication pageb8f21b0b662770bd336ac6577577ecf377322b5dc919cdb6392b3f79c1ebf67c
Manifestd2e93a0d56eb751dfa730a5f1c9da0978c08895fcf1a642401221bb99da3d88d

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
SignatureWKSeUjHtFwN6/4ef6vrpFOvWllQWqTWfVkD+/eF8FG6ZbE0yaa2Dc+1SSTAiOTJIOnEN0dx0m8k/vB52sVftDg==
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

2026-09-16T09:10:28.219154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007090
observed b8f21b0b662770bd336ac6577577ecf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.205462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007090/manifest.json
observed d2e93a0d56eb751dfa730a5f1c9da097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.190458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007090/publication.md
observed 39a219e37a45c9d604628c9f7cb1bf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.176308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007090/publication.txt
observed 759874dc0c6bd8165437b3d2f29dc95e...
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.