OpenTechnical

OT-2026-000061920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061920) never changes.

Identity and time

Publication numberOT-2026-000061920 · never reused
Internal UUID01a0ae8b-b8ad-7245-9e7e-2eaab3d8c4ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061920
StatusPUBLIC

Content hashes

Canonical text57cbedd5a68d0507aea333a80046f187e78919961ca510b268f99a59a8a70b3b
Markdown0e19ef001e01cae6ad87f5090263835e5e0f76bb76dd1d4a351988cba3272c71
PDF
Publication pagecf622e632c499fa1770cfae13e5c289c2c647842c16c25baaaa33822549bd541
Manifestf0f5e55191a62fd6722018e49e870722ff4d55ecb1e6ca8da21d361286c0dce8

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
SignatureCiX2M7V76rvwrUlIfyQvak6dr9qYCpNbXZVaTUnBMPz6dMIlwwclDUrVtQfByS27aLCGGn8EDJlaCXAcL2KBDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:48.209559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061920
observed cf622e632c499fa1770cfae13e5c289c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.187840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061920/manifest.json
observed f0f5e55191a62fd6722018e49e870722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.164917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061920/publication.md
observed 0e19ef001e01cae6ad87f5090263835e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:48.144144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061920/publication.txt
observed 57cbedd5a68d0507aea333a80046f187...
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.