OpenTechnical

OT-2026-000049589

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049589) never changes.

Identity and time

Publication numberOT-2026-000049589 · never reused
Internal UUID01a0ae81-8f7d-7d2f-9c05-743e7fcb6fb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049589
StatusPUBLIC

Content hashes

Canonical text359c9e3f5ce307f318dafee8fbfa254f0a007973f9aa4ef3e21f1775faa1ce0e
Markdown31b09eb90633151afcf2a6012668282881948623841a8f6428bfddcc03e69ed3
PDF
Publication pageafa2e3689a01a9a289ca6d57aa152e31ff09650786392882edc9f1a6702dfd3b
Manifest959eb2b0ab1ece072afda00edcecadbac2b3a9f99ef4cac4ea7e70ab20bcb754

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
SignaturenrWz0nqyqDXgK1DYCHshnsYsYueomxv/6rf/zOmeDgANxl91SH3CpiTXOqXN3dss38SlhwMFY1NYLWF/aPqNDg==
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

2026-09-17T11:02:33.840868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049589
observed afa2e3689a01a9a289ca6d57aa152e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.821231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049589/manifest.json
observed 959eb2b0ab1ece072afda00edcecadba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.800640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049589/publication.md
observed 31b09eb90633151afcf2a60126682828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:33.782151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049589/publication.txt
observed 359c9e3f5ce307f318dafee8fbfa254f...
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.