OpenTechnical

OT-2026-000021167

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000021167) never changes.

Identity and time

Publication numberOT-2026-000021167 · never reused
Internal UUID01a0ae6f-865b-72da-bdc3-1de5ea08c666 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021167
StatusPUBLIC

Content hashes

Canonical textb7105c7cf4bfc7181c24b240545534bc151595e09bbb673eb155a2543842ecbe
Markdown016602d1a955cba8326da1a7f117d317224c15bbc51cd0c43f32fc4c1d3b40ed
PDF
Publication page9e73c40f44699f85baf8af1dd7d1cd3c29d305c4c1ce4d23c4de147b76c66788
Manifestd461b5562d8226f02d914168ef82beaec0be6fe56590f661e04a1644544202d4

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
Signaturec0MAy3WSC5nMciQ8uGASvGDFLzgc7SCKejkgZBRD4S2CqsHEyPW8SJ7YvhiH3dg1bBVIxZWvh/A3UQxaj9lCCw==
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

2026-09-17T11:54:56.290548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021167
observed 9e73c40f44699f85baf8af1dd7d1cd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:56.270303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021167/manifest.json
observed d461b5562d8226f02d914168ef82beae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:56.249376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021167/publication.md
observed 016602d1a955cba8326da1a7f117d317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:56.231093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021167/publication.txt
observed b7105c7cf4bfc7181c24b240545534bc...
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.