OpenTechnical

OT-2026-000100676

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100676) never changes.

Identity and time

Publication numberOT-2026-000100676 · never reused
Internal UUID01a0aea3-66f3-73db-8e4e-77d252844c2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100676
StatusPUBLIC

Content hashes

Canonical text97ffd224b2eba082907c9dd8086da9fafcb1a60b49094d16a5c68acecf89f62c
Markdowncc2ab0b2395b37e2ab939a1c0b2275700d38d204096a62a588434fd3cdd92c58
PDF
Publication pagee3b1b941636b7aad6a5707a3cc2091e6ec107fbfe80559aee2ad307719ac1f94
Manifestab461ed593e05896593e6c0444dac743de7dc0928d32a65800ab818904ea4b22

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
Signatureh1aju6kwPKUnijCREtjoU+W9ADIQhdg7AEvxCGERPcAjWOjax1VVnkofYFzg0T9A8httK0PONG/HrYvexaF7Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:29.418517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100676
observed e3b1b941636b7aad6a5707a3cc2091e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.400160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100676/manifest.json
observed ab461ed593e05896593e6c0444dac743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.381808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100676/publication.md
observed cc2ab0b2395b37e2ab939a1c0b227570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.363600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100676/publication.txt
observed 97ffd224b2eba082907c9dd8086da9fa...
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.