OpenTechnical

OT-2026-000013438

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000013438) never changes.

Identity and time

Publication numberOT-2026-000013438 · never reused
Internal UUID01a0ae6d-6fca-7dd8-bff7-857564dc6233 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013438
StatusPUBLIC

Content hashes

Canonical texta7b80f13d3d6c3b05cc5b840ec7612ccd2e52bdf12e05a667a95697184b492f5
Markdown081db1070702f85deed27d561c05522f65486b8530367bc7adf45ca2670174c2
PDF
Publication pageddb86a0e7a5ea898be7d09fc249d0ec3a2f23b39d4ab945ca09e6f7a5b892192
Manifest55674083118b75898216d85d3f47d5c12d8942c89e3bfe65cf98a5f2fb0633c9

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
SignaturetLR4Ea6nmFFNZOs6xOMAHJf0uXvR5+evz9eod9clwa5CqL2Ec0QraZkYHm0Ckb1fD5gkciWbmhpXHxco+sn+CA==
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

2026-09-17T12:09:55.577927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013438
observed ddb86a0e7a5ea898be7d09fc249d0ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.559280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013438/manifest.json
observed 55674083118b75898216d85d3f47d5c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.540187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013438/publication.md
observed 081db1070702f85deed27d561c05522f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:55.519831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013438/publication.txt
observed a7b80f13d3d6c3b05cc5b840ec7612cc...
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.