OpenTechnical

OT-2026-000092207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, sustained 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-2026-000092207) never changes.

Identity and time

Publication numberOT-2026-000092207 · never reused
Internal UUID01a0ae9d-875a-726f-b178-3494370f68b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092207
StatusPUBLIC

Content hashes

Canonical texta0b1adc12a705cc64f89eb201de5a8d79d71ee508b83cc296251d4323e5244b4
Markdown16f5a3b6f2ef918a35cd9de19cc234d9e583935ac39a658991cb4739b3371cbd
PDF
Publication page8b52c706d52325f620f0e01ea4a76fd60b5010b9d4ed0b6cbfe81eb11aade769
Manifestbfc7bae0487cf3d6a31195bb75ac543ed6badc934327e6f3aae08ca4263bb7cc

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
SignaturemI1Gm5srhTqbrho+67ycgV+BCJlCkxxugJJuwbueLcdNZAmavE2vDqBXkHug6xKFVclFNeYo3vgQ8ej16SpqCA==
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

2026-09-17T09:41:41.593528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092207
observed 8b52c706d52325f620f0e01ea4a76fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.575283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092207/manifest.json
observed bfc7bae0487cf3d6a31195bb75ac543e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.558813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092207/publication.md
observed 16f5a3b6f2ef918a35cd9de19cc234d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:41.541999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092207/publication.txt
observed a0b1adc12a705cc64f89eb201de5a8d7...
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.