OpenTechnical

OT-2026-000043319

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000043319) never changes.

Identity and time

Publication numberOT-2026-000043319 · never reused
Internal UUID01a0ae7b-327d-7e98-912c-34d783cfefae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043319
StatusPUBLIC

Content hashes

Canonical texte6fff962ba8297a7c61b8002a1e01bf5dac8312e7543a5f0fbf8154bf4d398b6
Markdown9d3f38cb297646735db0b49a7f743266b0adced889fad9c2baa5abeb17490eaa
PDF
Publication pageaea7158ad67b3b7aea116039bf25af1db131635baeb8012a8cd799ea86c8892f
Manifest74ae754fde7f1133943f3c0e66fc11db8337e75f595d68822072cef3cb14d3ee

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
SignatureDOn002mW8WqNyOOKob2nQ16mVc8ZBtJj76uKR9sD9yfjPSpbSImGbOE1BqzikKGZkrI0mkS65VccCbz94oNwBw==
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

2026-09-17T11:13:49.414448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043319
observed aea7158ad67b3b7aea116039bf25af1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.395571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043319/manifest.json
observed 74ae754fde7f1133943f3c0e66fc11db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.376557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043319/publication.md
observed 9d3f38cb297646735db0b49a7f743266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.354516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043319/publication.txt
observed e6fff962ba8297a7c61b8002a1e01bf5...
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.