OpenTechnical

OT-2026-000019377

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000019377) never changes.

Identity and time

Publication numberOT-2026-000019377 · never reused
Internal UUID01a0ae6e-f392-7b96-a4ce-ca6329d90506 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019377
StatusPUBLIC

Content hashes

Canonical text81d1c3add3275dabee3ee10d70a2a43addec2ea0e717ecb7cb926528dff750cb
Markdown6be27044d4e9d5d04f3e1bce8337cd0625ec8c2b1a05d36941926d9afcc8e0ec
PDF
Publication pagebe1e6a32e1f99469cc26572320415748dd7494b80d930c6502f70d52ebc3c360
Manifest85a1e86d675d554e5b7ebd83349a3024a04c80480789ee031822b435b3df27c2

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
Signature2U8JBCs/8Mu5Qk7k2RV1jl47WAxYmWnyY0ycO0PfldSB0NtAzIO5a60p1SuuO9ixTF9c5JkzvXiZCHVuxipsCQ==
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

2026-09-17T11:58:23.012827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019377
observed be1e6a32e1f99469cc26572320415748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.995974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019377/manifest.json
observed 85a1e86d675d554e5b7ebd83349a3024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.975365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019377/publication.md
observed 6be27044d4e9d5d04f3e1bce8337cd06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:22.932944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019377/publication.txt
observed 81d1c3add3275dabee3ee10d70a2a43a...
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.