OpenTechnical

OT-2026-000102439

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000102439) never changes.

Identity and time

Publication numberOT-2026-000102439 · never reused
Internal UUID01a0aea4-8589-7c4e-963e-a894e8eb19fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102439
StatusPUBLIC

Content hashes

Canonical textcf6621799ece1985ca80c3b20a9d52d5edb6a3a1f746b44887db82bef12c626e
Markdown731235ef389fe976d99b89cbe93ace1dbf4afab95fe72a7fb8cf132396af81e9
PDF
Publication page757e9f4697e98e7be563ad47db3d1ae0ab5b6c7579a506710ea5055c32fb7b52
Manifest32a5c186f032927ad8e755bc91ae512a86aee3edd40c309dc0c1dce4686d686c

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
SignatureotZW4NasbT7MRdqIDI62U93HpSLqUQQFAZ8cqRqvz3lI0cEorB2DzS0q5GxAb3FOKYidkyabBVCc0APlMEgzBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:47.137133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102439
observed 757e9f4697e98e7be563ad47db3d1ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.118354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102439/manifest.json
observed 32a5c186f032927ad8e755bc91ae512a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.099559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102439/publication.md
observed 731235ef389fe976d99b89cbe93ace1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.080475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102439/publication.txt
observed cf6621799ece1985ca80c3b20a9d52d5...
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.