OpenTechnical

OT-2026-000009500

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, 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-2026-000009500) never changes.

Identity and time

Publication numberOT-2026-000009500 · never reused
Internal UUID01a0ae6b-7562-7330-b7ed-263f3bdf147d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009500
StatusPUBLIC

Content hashes

Canonical text112b233e74e67c3b8053f10db22bc73eab8e2a81b6dff273d6b7f5a78029f6bf
Markdownc6231c8b1280b2810a6b959433a72d8c43d88bb7ed07ecb7c7253235489acdba
PDF
Publication pagea16d9d098fa5dc76f9bb41d5970aee16c671532cba1531e1e45af092c25461cd
Manifeste63af2f847dd84b8f2b4c5b0fa8e8954dd44e5897b362c7f94041de7cdc40976

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
SignatureH5tv16ThcU2RcmP3sNASfhaTnktbN+dQ+yaFJ6qZ26oIjrI4KpXpDXaPIj16DTugOInY+q+OY88TmymHedviAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:54.377484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009500
observed a16d9d098fa5dc76f9bb41d5970aee16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.358706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009500/manifest.json
observed e63af2f847dd84b8f2b4c5b0fa8e8954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.340360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009500/publication.md
observed c6231c8b1280b2810a6b959433a72d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:54.321676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009500/publication.txt
observed 112b233e74e67c3b8053f10db22bc73e...
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.