OpenTechnical

OT-2026-000087144

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, sustained 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-2026-000087144) never changes.

Identity and time

Publication numberOT-2026-000087144 · never reused
Internal UUID01a0ae9a-9f2e-7297-bde3-b7dc29db0ab7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087144
StatusPUBLIC

Content hashes

Canonical textb441aa84e87be979bac5e547285540e8f87762e1f194232ca0bea498e0f05057
Markdownb1ba14fc051683e68ef69fd30f4733fb29df0071f3c38ff7fc0a9ced085906a8
PDF
Publication pagef240f73cbe921030f2e829ee81fcc74d8f0270565aaf924356fa059a9f67fd07
Manifest4bdeb8071791ad75e5b247abf71199fd02743fae20586aa852de6d8a8545bbf3

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
SignatureGMFu36hs7OQYmNVgVajjpVqgUDptehIcQdbuyP6BQUL4ybOE9k6fvdxfJ9InTpHllpi1JCgTaEMEZRF1SxbBCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:24.536734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087144
observed f240f73cbe921030f2e829ee81fcc74d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.522464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087144/manifest.json
observed 4bdeb8071791ad75e5b247abf71199fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.506828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087144/publication.md
observed b1ba14fc051683e68ef69fd30f4733fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.490436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087144/publication.txt
observed b441aa84e87be979bac5e547285540e8...
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.