OpenTechnical

OT-2026-000091558

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091558) never changes.

Identity and time

Publication numberOT-2026-000091558 · never reused
Internal UUID01a0ae9c-f16e-7da4-80d9-47e2f9cbe748 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091558
StatusPUBLIC

Content hashes

Canonical text780fa753fe2c0097cb0a53dbb0722c13fca922eeb9ab05e4f97de6e3dcfe098e
Markdownfa41e90e60e1efc8db8adae49e6fd6d1f97de103aa9ea908982b00f11dee5538
PDF
Publication pagea088d8e465c7bcf7be8a35287203b55075f64d714484a5bae1124e545d82a5b1
Manifest7c1220af039720d7efcc46615e89fb687051913e9e3e05df00506674ec91d660

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
SignatureY5CWWNSckaz6qMUA2PZUTBbJsyC63MUANxsxDZhCs6qSYxkC3ZXpIUoEFpmzpc2kq4wQpv7eLAU7gx4iEv4jBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:49.651342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091558
observed a088d8e465c7bcf7be8a35287203b550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.635463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091558/manifest.json
observed 7c1220af039720d7efcc46615e89fb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.620895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091558/publication.md
observed fa41e90e60e1efc8db8adae49e6fd6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:49.606020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091558/publication.txt
observed 780fa753fe2c0097cb0a53dbb0722c13...
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.