OpenTechnical

OT-2026-000037904

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000037904) never changes.

Identity and time

Publication numberOT-2026-000037904 · never reused
Internal UUID01a0ae77-f88a-764a-8646-0b8eec09d02e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037904
StatusPUBLIC

Content hashes

Canonical textb9b4139eaa48a50c8f854be3a488ca7a2986305b91bc76007a9b15693b7235d9
Markdownb974b45b3efe99307bbd344ba7848bce0faf1e9fd5433cfaa3e224a802714690
PDF
Publication page902856b7fb23182048a4fdf574bc7e36558d3dbc7420810451f64832833a3104
Manifestd11dd551e0e68521b61248b6f9b86c6bb392595220f08d80026d3246b4600138

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
SignatureLrSSzfJjA36dLPfa7njHKKvnLJp87SVgd2cx0OSzF4Hi/KAmPKL1DNq+GMs+u5s5yVba8FOpE9u1qCc0vAVrCQ==
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

2026-09-17T11:23:10.396299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037904
observed 902856b7fb23182048a4fdf574bc7e36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.375975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037904/manifest.json
observed d11dd551e0e68521b61248b6f9b86c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.354379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037904/publication.md
observed b974b45b3efe99307bbd344ba7848bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:10.337720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037904/publication.txt
observed b9b4139eaa48a50c8f854be3a488ca7a...
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.