OpenTechnical

OT-2026-000009252

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000009252) never changes.

Identity and time

Publication numberOT-2026-000009252 · never reused
Internal UUID01a0ae6b-31b9-7668-945e-410fd1d33f6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009252
StatusPUBLIC

Content hashes

Canonical text75de347d944530eb63e14885b2cb37c7fb5e6dbdf3b540221d22c725b7fa7379
Markdownd188493ca17939da0910f47e6b1484828198b5dd3e391f5d991751e12f6b02a4
PDF
Publication page46a0cdc72bf5783d61180379af1c5d895d1f9e00e6a25004a748f188c200f3b8
Manifeste4cadbb4da6aad3cf8f6c1885b4a287af0e4172ea2b31041e10f79d238192bb1

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
SignatureVX0+tITVdT0SaEfdML6FHYu6OIrt+farb4afReqrkdvNOpiCsgVYN31PL50ge+pFyDup8XDHWAZe56lyxMa8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:59.505702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009252
observed 46a0cdc72bf5783d61180379af1c5d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.486389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009252/manifest.json
observed e4cadbb4da6aad3cf8f6c1885b4a287a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.464194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009252/publication.md
observed d188493ca17939da0910f47e6b148482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:59.446966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009252/publication.txt
observed 75de347d944530eb63e14885b2cb37c7...
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.