OpenTechnical

OT-2026-000019408

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-2026-000019408) never changes.

Identity and time

Publication numberOT-2026-000019408 · never reused
Internal UUID01a0ae6e-f393-7bb7-9131-6fac0bed66b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019408
StatusPUBLIC

Content hashes

Canonical text9eeab48a82da07747bb388286b740a3eac68e2c5c7d5e5c171615e9d31beef5a
Markdown51af8dfa61f0cd93ed429abab272b5a2e749094dac6fe444aa3b9ae3af6745cb
PDF
Publication page1de427586d23afdf3846702fd84dca8cbddf902cddea47320db0515ff75acb6d
Manifest7c9886296af52df203cf5520f2cfb33e1f1efe64e1b8f76c936fc19ab4bbe333

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
SignatureRvfYRygjjvslE/754gnQbsFdCi6U5KBEvJxafGVjfAxSVIaYMLt8rjl1TPTlYqTEgsmFH2QrnCgccVVswXRoDA==
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

2026-09-17T11:58:47.803394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019408
observed 1de427586d23afdf3846702fd84dca8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.784547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019408/manifest.json
observed 7c9886296af52df203cf5520f2cfb33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.766669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019408/publication.md
observed 51af8dfa61f0cd93ed429abab272b5a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:47.749207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019408/publication.txt
observed 9eeab48a82da07747bb388286b740a3e...
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.