OpenTechnical

OT-2026-000042887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000042887) never changes.

Identity and time

Publication numberOT-2026-000042887 · never reused
Internal UUID01a0ae7a-c0d1-7130-8f80-71390dd10dc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042887
StatusPUBLIC

Content hashes

Canonical text865cbbebdda22b9e74dc6150398bedd8daae4941eadd1d4f08d16100f86b394f
Markdown8f85ea7dd6a4255838943c137382ddc90eee5fe82fd087c684e5586836842c9d
PDF
Publication page20c63fa7b223ad3f740c263c4f61935a3299f4dbcac63e12d7833be607bc9de4
Manifestd0250ab3e2115010ec89daa5a286b885e02526be7f0333738cac8df6c874daed

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
SignaturejnMJh788WZguFlRjWC3tdAXN1M8qw3yvMnD2CeNVrzpiVzWG3x1Zk7hbiLTnuyhwkkqQvLvNHj3t1+8p8GCMCA==
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

2026-09-17T11:15:23.349510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042887
observed 20c63fa7b223ad3f740c263c4f61935a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.330745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042887/manifest.json
observed d0250ab3e2115010ec89daa5a286b885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.312368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042887/publication.md
observed 8f85ea7dd6a4255838943c137382ddc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:23.293628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042887/publication.txt
observed 865cbbebdda22b9e74dc6150398bedd8...
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.