OpenTechnical

OT-2026-000042690

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000042690) never changes.

Identity and time

Publication numberOT-2026-000042690 · never reused
Internal UUID01a0ae7a-c0cf-7cc4-a1c2-a86ed5368232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042690
StatusPUBLIC

Content hashes

Canonical text4415e858f99cfc4be5c9f7d04356fee1942084e3c9772cfffcc62d9b08c812b4
Markdown4d02e9e2c6bdc3a75fefc381ea291350d3d5c31a6a95512b44b5c94b1799715f
PDF
Publication page0f677d0f86aea763c95fcaeb76b12c9a7ae1fcc8de11be62d4651e77f35f076b
Manifest20e7a637a9cfe363441427ad23e71494c4fae211bc6bf0694742e2e84fbb00d6

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
SignatureFLUlRhHe74OaOST3USol9yVK5SCKg7QE4+gaxbWXZkTmpC34sMl1hmMV3+YahG/FjC48ehKSMGqIDaKNa0t9AQ==
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

2026-09-17T11:15:02.821404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042690
observed 0f677d0f86aea763c95fcaeb76b12c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.802275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042690/manifest.json
observed 20e7a637a9cfe363441427ad23e71494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.782988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042690/publication.md
observed 4d02e9e2c6bdc3a75fefc381ea291350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.763902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042690/publication.txt
observed 4415e858f99cfc4be5c9f7d04356fee1...
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.