OpenTechnical

OT-2026-000027048

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000027048) never changes.

Identity and time

Publication numberOT-2026-000027048 · never reused
Internal UUID01a0ae72-3453-7b30-b682-fa32f0383186 · 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-2026-000027048
StatusPUBLIC

Content hashes

Canonical textdd2e494f25248d74678427ddefaa8816fc8324dd1d9c01284d933f0de0d6d4f7
Markdown002d7b821311c00bdcf45e7edbaea45e8d2800d332f703913422851447822d0e
PDF
Publication page3907fb6b7d4ef2830df515a776b154bd4cdd614becd48d02b0ff89bf4ab5f5ee
Manifestc19fc905be1db14a5e7bd26ef708e60afdd90adb929152a2fdc6d562987e0e93

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
Signature+kLC/PzN9AIor4tIK+AsgJ32VFyXEtvtqHj+EsFZ/5k0BrqB8kdllkZsrH9kA9rzaXUNxwr5Mv06yFAlu5mJCA==
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

2026-09-17T11:43:48.297071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027048
observed 3907fb6b7d4ef2830df515a776b154bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.279817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027048/manifest.json
observed c19fc905be1db14a5e7bd26ef708e60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.262688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027048/publication.md
observed 002d7b821311c00bdcf45e7edbaea45e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.245131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027048/publication.txt
observed dd2e494f25248d74678427ddefaa8816...
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.