OpenTechnical

OT-2026-000053059

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, 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-2026-000053059) never changes.

Identity and time

Publication numberOT-2026-000053059 · never reused
Internal UUID01a0ae84-a431-7ae0-a4cb-bcdd8e51bea2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053059
StatusPUBLIC

Content hashes

Canonical text7c911efe7f7e6ce07a985f94575f2f5209ce43a968e4ecee44af9abe0f331893
Markdowncb955cc068896041ffbf398c0637c733cae7ced17561d51a53357dd3546b9d22
PDF
Publication page5646d1c1a94b52148eac0ef874617d7c4c99dcffddf3e0b4dfd2ecec28ddc7e6
Manifest928fe70813c93f3862e71f934c6b4b92c3300346f62cc5b2f17aae0de3c4c613

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
Signature/iLNYPbfEv+sKY19Dj5tZamRkvlzBRis73hfAV/m6gMKFFdlD8p5NKBTj2PbhM/0FlYkvAxvdknsXFcCxTAmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:46.324246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053059
observed 5646d1c1a94b52148eac0ef874617d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.306230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053059/manifest.json
observed 928fe70813c93f3862e71f934c6b4b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.288454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053059/publication.md
observed cb955cc068896041ffbf398c0637c733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.269847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053059/publication.txt
observed 7c911efe7f7e6ce07a985f94575f2f52...
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.