OpenTechnical

OT-2026-000009458

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000009458) never changes.

Identity and time

Publication numberOT-2026-000009458 · never reused
Internal UUID01a0ae6b-7562-76b3-aff2-d8c9c68559a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009458
StatusPUBLIC

Content hashes

Canonical textd58cf4ad256bae4dcb2a32ac6a233f1085f55d6e00a4261d6148326f78d53bbc
Markdownb95bd0060ca031ff364eb2de72bca624fffa019d667cb1abad6cc889365b57c0
PDF
Publication pagee1a501b9b5db0fc4dbc1eec5cae2ea0e2798ff539d2614d5b41ff27a8a07e08e
Manifest7e9f34c8419d232f2c0018b51dbf9b90011020663180f5311eb923dd22e9a049

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
Signaturey6yzoemaDIObWlAyG4WHX6SOjEetSuSHGmfEq2IdlHGyFDsmWj8GRWSQcMB7VGUnCCA7HuiaOH5sh3PrMEhOBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:50.774660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009458
observed e1a501b9b5db0fc4dbc1eec5cae2ea0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.756973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009458/manifest.json
observed 7e9f34c8419d232f2c0018b51dbf9b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.738703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009458/publication.md
observed b95bd0060ca031ff364eb2de72bca624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:50.719788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009458/publication.txt
observed d58cf4ad256bae4dcb2a32ac6a233f10...
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.