OpenTechnical

OT-2026-000016527

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed 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-2026-000016527) never changes.

Identity and time

Publication numberOT-2026-000016527 · never reused
Internal UUID01a0ae6e-2d13-7323-a445-d8a398758d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016527
StatusPUBLIC

Content hashes

Canonical text197bc6720be55a60eebc9a8f474470bf6525f8dcf4335018fbdd6201a0c27d20
Markdown728b864d6df1c2fd2b9799e44c0f7e04772155d74d8edfd3a78a55f9170a7fc0
PDF
Publication pageed49a279616c38991e3f492e95620bf07fa15460843bc79bd6f2383b370f2f32
Manifestf1335a621dceeab6cd1708d1bbad8b1bc6fec20b8a4d5d4870fc8bb6ca062db5

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
Signature6O9nNSjYFZAQPv7XwgbFXSagLRJDS+bqIiWpTKNicGibEJ0oETSqxQwUspNbmAAAzXlgz6GUk8f/Vdhd2trvAA==
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

2026-09-17T12:04:44.662717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016527
observed ed49a279616c38991e3f492e95620bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.643455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016527/manifest.json
observed f1335a621dceeab6cd1708d1bbad8b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.624853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016527/publication.md
observed 728b864d6df1c2fd2b9799e44c0f7e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:44.605807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016527/publication.txt
observed 197bc6720be55a60eebc9a8f474470bf...
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.