OpenTechnical

OT-2026-000024981

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000024981) never changes.

Identity and time

Publication numberOT-2026-000024981 · never reused
Internal UUID01a0ae71-2728-7afe-be8b-8fd198060f33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024981
StatusPUBLIC

Content hashes

Canonical text902e6bdf344cf856211f2c31e81375dd2b4ddcb7c87552bc9f48abdabd54ed44
Markdown7c0d36c8fc5e6dc4ed19db50e1eeb26c2b753be3074ba8e62a5eba1d27306577
PDF
Publication pagee228acd56a63edd320ed4cc6da5702b9f2e5df1255d6570507651d50b89585ab
Manifesteec3e44bd6ed5a988f76bfcefe9eb1a0e760654d0928ee639a4551f0804f496f

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
SignatureZOC2O2DWerLhDjlGF4o+f7B47dQf4RIe+C3+LW7ToFGhgTZbZ1hdr3CObfHtSDujDmkrltWaHrHxRAzQcqcwCg==
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

2026-09-17T11:48:01.958182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024981
observed e228acd56a63edd320ed4cc6da5702b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:01.940939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024981/manifest.json
observed eec3e44bd6ed5a988f76bfcefe9eb1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:01.923339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024981/publication.md
observed 7c0d36c8fc5e6dc4ed19db50e1eeb26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:01.905686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024981/publication.txt
observed 902e6bdf344cf856211f2c31e81375dd...
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.