OpenTechnical

OT-2026-000088727

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000088727) never changes.

Identity and time

Publication numberOT-2026-000088727 · never reused
Internal UUID01a0ae9b-8f10-7357-8d2c-fc572124093d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088727
StatusPUBLIC

Content hashes

Canonical textc9dabe12ab96acb95b56d1df38947328e37c9be252612556e85d64916c2c0cdf
Markdown59b3ea0c0c05724e27fd85feec4449c1729ea12c2c58bb0fc127f394aeb9c0e3
PDF
Publication pagedc239cc700f6397c5a10bc3b4f5d79a28b5221b8d45eaf9258a0b3f56bbd667b
Manifest2d43cbce13066c1e0b88c624c1b7fda72969c1952aa51c2183ff338c10a21144

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
SignaturejupKr2mFORRwuxtpAQuyzP1LwtHO3dUROAl/UOiir03dN7rG5gi2D6qqDBUVb9lQRl1NDwquAze61CZUK5klAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:58.211552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088727
observed dc239cc700f6397c5a10bc3b4f5d79a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.192666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088727/manifest.json
observed 2d43cbce13066c1e0b88c624c1b7fda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.172721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088727/publication.md
observed 59b3ea0c0c05724e27fd85feec4449c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:58.155863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088727/publication.txt
observed c9dabe12ab96acb95b56d1df38947328...
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.