OpenTechnical

OT-2026-000043312

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000043312) never changes.

Identity and time

Publication numberOT-2026-000043312 · never reused
Internal UUID01a0ae7b-327d-76af-80af-97018b5cb830 · 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-2026-000043312
StatusPUBLIC

Content hashes

Canonical textffd162e5cfc20a4e2c477df8137bd5c4b76366550e8bf159634fdc92ef3eccf3
Markdowna4f82096ccc08a031698a8225a85efb2f6ff66d2b8668b978a38164e2f55ea98
PDF
Publication pageda9174bee244983f76ea808d2f446cf4e69ecb65624b3139f0876ca0ba3cc898
Manifestaa100a4e3fcf9d59012ecca165ce1f9b9cc3600dc8f7cc0d0f72b5b616259089

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
Signature0oR9XI8TDk0SJIW7bzHz074CH+jtJYn+OntR8PHWeBfeG2f1ykbmmKQztprmaUoLzo55x4rxVJVLPXL6aiBLAw==
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

2026-09-17T11:13:48.803337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043312
observed da9174bee244983f76ea808d2f446cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.783465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043312/manifest.json
observed aa100a4e3fcf9d59012ecca165ce1f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.764543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043312/publication.md
observed a4f82096ccc08a031698a8225a85efb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:48.742223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043312/publication.txt
observed ffd162e5cfc20a4e2c477df8137bd5c4...
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.