OpenTechnical

OT-2026-000022580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000022580) never changes.

Identity and time

Publication numberOT-2026-000022580 · never reused
Internal UUID01a0ae6f-f4ff-70d1-bf36-dce3a6da2a6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022580
StatusPUBLIC

Content hashes

Canonical text497f254b16730e0f70d36e670a0781454b73bc39b9d119ec523d7472a3e2eb55
Markdown5e48d76b3a29cb0851f4a5a7e32b172872e061472e16de5f640960e92f62183f
PDF
Publication pagefe3b20f109d8eb07a0c3df083003782f5fd3d0209c470cb877f91048cd75cf58
Manifestaf4b786c3439f913cedd421fb5b7165f9fd64e37737bd7e56b6ef0f1fc3c64e5

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
Signaturei1xuC1XUk+3sys1ar/7A4zARlEcF2uXb2EKUuv302DAipJFv3d4asH+6sQ9pCcPHI6/7Nq6yc5gX88OaaP++DA==
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

2026-09-17T11:54:01.320864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022580
observed fe3b20f109d8eb07a0c3df083003782f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.302638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022580/manifest.json
observed af4b786c3439f913cedd421fb5b7165f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.283401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022580/publication.md
observed 5e48d76b3a29cb0851f4a5a7e32b1728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.264921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022580/publication.txt
observed 497f254b16730e0f70d36e670a078145...
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.