OpenTechnical

OT-2026-000018259

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000018259) never changes.

Identity and time

Publication numberOT-2026-000018259 · never reused
Internal UUID01a0ae6e-b488-7bcd-a2d2-d0dbca1f7b24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018259
StatusPUBLIC

Content hashes

Canonical text06d274e48829157bbb04aed89cbb21fb03d34264d94e6fe8ac220705586f4e9d
Markdownb1c67a31de8f76635939df54171d5aaae65d1cc086f3b5a43e8c5d7d52bd5956
PDF
Publication page2bd1af41e717b9d10e30da52f8e9c953ee5b096c3be79ecc00addd84199da544
Manifest8766765dff6696f385541fb27c7f4b1eb04efba9b6af1debe1288c0964a9f390

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
Signaturei/+UEuT6glYnpYoz75Uw+mswDVZsZI1dXvh0it+3TpEHg9GEgtQM0AY5gMl9JlO1UUuj7lMDEO14t75+ipt2DA==
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

2026-09-17T12:00:05.460946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018259
observed 2bd1af41e717b9d10e30da52f8e9c953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.436406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018259/manifest.json
observed 8766765dff6696f385541fb27c7f4b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.415952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018259/publication.md
observed b1c67a31de8f76635939df54171d5aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.391792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018259/publication.txt
observed 06d274e48829157bbb04aed89cbb21fb...
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.