OpenTechnical

OT-2026-000050867

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000050867) never changes.

Identity and time

Publication numberOT-2026-000050867 · never reused
Internal UUID01a0ae82-c7b2-79e5-9d20-f477586a4922 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050867
StatusPUBLIC

Content hashes

Canonical text74426e2d5a073a729a829eee2ce6318ecdd4f95c2712d6d91047d47c97e2b241
Markdown8e8d958f7c4eea155e2302221a8a6d0128141d9c413af6b4f53dcefa96d9ccf8
PDF
Publication page1408dbb213112e69473a33c2d0f258e3a508f89d360ff81dd8c11ab5c9d49a6c
Manifest2fad574190db3bc752746d2fb6f1b59d1029b591f4b615489a24f27a8a6faa17

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
Signature9c3waT64uunxyKyqwmw0iqVzJrDSUuk1Gq3Q4p+WUes+p1osHTrPjMAdn07YFtHOtMuLtBx4h74UVICXgTPmAA==
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

2026-09-17T11:00:35.250695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867
observed 1408dbb213112e69473a33c2d0f258e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.235156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867
observed 1408dbb213112e69473a33c2d0f258e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.226372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/manifest.json
observed 2fad574190db3bc752746d2fb6f1b59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.207498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/manifest.json
observed 2fad574190db3bc752746d2fb6f1b59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.199218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/publication.md
observed 8e8d958f7c4eea155e2302221a8a6d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.181784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/publication.md
observed 8e8d958f7c4eea155e2302221a8a6d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.177868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/publication.txt
observed 74426e2d5a073a729a829eee2ce6318e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:35.157194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050867/publication.txt
observed 74426e2d5a073a729a829eee2ce6318e...
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.