OpenTechnical

OT-2026-000029073

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000029073) never changes.

Identity and time

Publication numberOT-2026-000029073 · never reused
Internal UUID01a0ae73-2a9f-757d-8bd5-0d3a35a6a47a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029073
StatusPUBLIC

Content hashes

Canonical textf2a07e5413b6f61ecc0d61970c4417bbbf76562086f60526374ae0f31869b51b
Markdownd145692595084f397e0149561faa6d2d8ba9b329d473f8f92d270a8bac170636
PDF
Publication pageb21e883bba74229d26d51258d0079790df024fcc104b9f1c2d7b2b95c7f8f7ca
Manifestcfd841e8fc2b5a094bd1af7e11c0bd699024adddffe194cfaa44657c9f4af16c

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
SignatureEBAO4BVqFIfqlv2pJK2GLDpu/bVxj5DNarLvqNPlSCmcScvc21Vc5gSNTvYhNvSKXtry8zR/pr1XZIyr9r31Ag==
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

2026-09-17T08:20:46.026483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029073
observed b21e883bba74229d26d51258d0079790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:46.010006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029073/manifest.json
observed cfd841e8fc2b5a094bd1af7e11c0bd69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:45.992418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029073/publication.md
observed d145692595084f397e0149561faa6d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:45.974453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029073/publication.txt
observed f2a07e5413b6f61ecc0d61970c4417bb...
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.