OpenTechnical

OT-2026-000048891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000048891) never changes.

Identity and time

Publication numberOT-2026-000048891 · never reused
Internal UUID01a0ae81-134b-7bcd-a872-3902b555867e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048891
StatusPUBLIC

Content hashes

Canonical textf00a5a0746ae52bd39bc15baafe14ee0a925b7aa52232f25d10d544454c47adf
Markdown8b94678c89acda71fd16232cd2818da29ee035df8fa7278031096d68115e54dc
PDF
Publication pageff50dda313da081e1f54e570dffc4fea04d659f86ff0cdc9873885f1e28cd6a1
Manifest363f0ac33483488b9a7a5b468a12c0644d158bb31e3dc7475992eebe9ec72e85

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
Signatureb+NAY0Sd6/a24OS+7CxfYIdzybY5iDmLkOZnN7v//QAIsrgnbRgUyNpJEeG6+t6WAQr9yxVs9ya3W6YVfrFECw==
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

2026-09-17T11:03:03.300355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048891
observed ff50dda313da081e1f54e570dffc4fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.279739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048891/manifest.json
observed 363f0ac33483488b9a7a5b468a12c064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.260496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048891/publication.md
observed 8b94678c89acda71fd16232cd2818da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.240745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048891/publication.txt
observed f00a5a0746ae52bd39bc15baafe14ee0...
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.