OpenTechnical

OT-2026-000011681

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000011681) never changes.

Identity and time

Publication numberOT-2026-000011681 · never reused
Internal UUID01a0ae6d-1940-760c-93a8-b04bba707cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011681
StatusPUBLIC

Content hashes

Canonical textd77b12b75e5911f8910b389de0e9d5c7bdf341b5e9b328762a35cc4c0deafce6
Markdown0f0589115c803694ee48803fdd5eb60f66dde04238c688e5eadc975c2762e35f
PDF
Publication pageab5c911059b67ef1e27a61f55e02659e6de163f09ec48a22bc188183af0aa5c8
Manifestba903dc0b2ae7d942984171e2d0a942c94e5a7b8e35a6f3d2cfcfb095ac6ef64

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
SignatureKjLJgf/RXGH54cMQrpwga/e94OouhPzb9R5rSdtboab7DoO3ahFAoLmnF8baL1lKszu9zYqqLWE26PJ/MscCBQ==
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

2026-09-17T12:12:16.736320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011681
observed ab5c911059b67ef1e27a61f55e02659e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.717521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011681/manifest.json
observed ba903dc0b2ae7d942984171e2d0a942c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.696783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011681/publication.md
observed 0f0589115c803694ee48803fdd5eb60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:16.676693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011681/publication.txt
observed d77b12b75e5911f8910b389de0e9d5c7...
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.