OpenTechnical

OT-2026-000076021

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076021) never changes.

Identity and time

Publication numberOT-2026-000076021 · never reused
Internal UUID01a0ae94-2a00-7a5e-8f55-91c6be90a372 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076021
StatusPUBLIC

Content hashes

Canonical text50fc05e6898b419cbeaedb6c2295f8ae1d679f742f4ddad03b368b843b5dd161
Markdown480cc70694e4c86796369f2cf7a6367d9442041d1d3d996b0e48842d9ef254f8
PDF
Publication page64cad27d32ad3d53166c71b5cf562b6e2f34703cca4dbccdf9c87b81a2d93342
Manifeste7102df0351c99f4bfcf940a569ed5d9d9bf8caafbe405e93bd07a98814715f9

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
SignatureK57h83pr/a/2xJH6hcuDrgVVzEXkUNFUVlloZ+DHF/xuE6LgqIbJeiyXlvBko1XLdDAfEcNwXoeDOaK/8RP5Aw==
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

2026-09-17T10:20:16.620844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021
observed 64cad27d32ad3d53166c71b5cf562b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.598915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/manifest.json
observed e7102df0351c99f4bfcf940a569ed5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.579282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/publication.md
observed 480cc70694e4c86796369f2cf7a6367d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.558340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/publication.txt
observed 50fc05e6898b419cbeaedb6c2295f8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.281218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021
observed 64cad27d32ad3d53166c71b5cf562b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.263661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/manifest.json
observed e7102df0351c99f4bfcf940a569ed5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.245237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/publication.md
observed 480cc70694e4c86796369f2cf7a6367d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.226518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076021/publication.txt
observed 50fc05e6898b419cbeaedb6c2295f8ae...
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.