OpenTechnical

OT-2026-000046551

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000046551) never changes.

Identity and time

Publication numberOT-2026-000046551 · never reused
Internal UUID01a0ae7e-57dd-7069-95cf-a65acfa07590 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046551
StatusPUBLIC

Content hashes

Canonical text3f24d766b18098dec296517befb61bb381495cab4275e5f648b72049fed2a7ab
Markdown24681e38de8d23318c813b7cd0ff5a1d322d66561dc666023eee14d64322e1e3
PDF
Publication pagea8f6f29694f35a845ee980be60b587ebccadd45d1f5949be0e7d0c5b061d6494
Manifest3d34c4226824cd01defb6da596f68665dec4c5ebb09317816e699d3116502d02

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
SignatureE+mzlEoZIZDPuyQ3AxTDKEhsm2jjMd7dHBTH1yufxo34WCcW59OaKnquVBXCGoO5weYKXRczLIsVaybqK9wBBQ==
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

2026-09-17T11:08:36.599041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046551
observed a8f6f29694f35a845ee980be60b587eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.582199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046551/manifest.json
observed 3d34c4226824cd01defb6da596f68665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.566403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046551/publication.md
observed 24681e38de8d23318c813b7cd0ff5a1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:36.549570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046551/publication.txt
observed 3f24d766b18098dec296517befb61bb3...
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.