OpenTechnical

OT-2026-000027128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000027128) never changes.

Identity and time

Publication numberOT-2026-000027128 · never reused
Internal UUID01a0ae72-3454-798a-8bfb-17b91c3f7a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027128
StatusPUBLIC

Content hashes

Canonical text8e56979fd32c09907e9915bdb88a14aebf6266b252c858cf43fd4ffa579de746
Markdown7ad578bc5aa5d818e8cafd023f28aba278267b28e7f084c4df33a72ba90f8fb8
PDF
Publication page550f6c26b8ffe0c02af0af143c91970fb47c6bf61a62071aa3826dc2a80d323d
Manifestdf7884e96f19828f67c0e6e17fd67add8b84e67e5f4c37bd4287e7c8e617ed5f

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
SignaturePs7oTNDTqhZ7v2KpMXZHtlqxT57HZR15e/xB5GHAofyuV6w+cgTzULs+c2fjqlN7aAlxwzi8xm89b3mKyx8ICw==
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

2026-09-17T11:43:54.184178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027128
observed 550f6c26b8ffe0c02af0af143c91970f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.166093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027128/manifest.json
observed df7884e96f19828f67c0e6e17fd67add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.148415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027128/publication.md
observed 7ad578bc5aa5d818e8cafd023f28aba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.131309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027128/publication.txt
observed 8e56979fd32c09907e9915bdb88a14ae...
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.