OpenTechnical

OT-2026-000043510

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000043510) never changes.

Identity and time

Publication numberOT-2026-000043510 · never reused
Internal UUID01a0ae7b-92cf-74eb-8e65-97861cfa761a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043510
StatusPUBLIC

Content hashes

Canonical textcbe58f01cecf7e5e81d7f56675d8e6d75fe74178e7018bac83b3652c4f3a3278
Markdown33c70d467d1093d0964d38af6bbea3f0d1a87b758469e5e21624988fbc65a433
PDF
Publication pagea98e2388a2cc8d9163457f0833d12b9255a4db1a37ce96dd2e5bb6e29304bae5
Manifest6c9a514786e1f77f58ed6c333dceb6900aab7bdca03287313a719e2d98d3b4af

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
Signature82ASWQXi5TeiSSkXlKRPZSqdBg1MQ9A5+mgZHNwHRxedb4MlsDdZuqlviTY4tFJgLyE1BERQcd75TDbibyxOAA==
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

2026-09-17T11:12:52.822552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043510
observed a98e2388a2cc8d9163457f0833d12b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.803803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043510/manifest.json
observed 6c9a514786e1f77f58ed6c333dceb690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.785934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043510/publication.md
observed 33c70d467d1093d0964d38af6bbea3f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:52.767732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043510/publication.txt
observed cbe58f01cecf7e5e81d7f56675d8e6d7...
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.