OpenTechnical

OT-2026-000050022

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000050022) never changes.

Identity and time

Publication numberOT-2026-000050022 · never reused
Internal UUID01a0ae81-fd78-7c10-97d1-7ba121085489 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050022
StatusPUBLIC

Content hashes

Canonical text623109068236873cc665d3ff0425736772d7828b478d5f352479e1c471219bed
Markdown39984c088619af8f1f5e22187f28238c6b3dbb75b8a14737638dea0ba5596899
PDF
Publication page51a0aed8c1242d62b57d5a27da78635a92c94eba90f17ebf2f7a96c9b53753bb
Manifest1e455b2200b06513ed1a73cb5a64ac4f33ffcbc790be17cd549584e58da838ea

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
Signature1IWCz+e9BHG811iFW22IFycjLYX9S3VPIEU21tDhAF3VFETjs/8j5SQq/rKVI8wjtV0lhZPqesOpChIHXXJhBw==
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

2026-09-17T11:01:59.416425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050022
observed 51a0aed8c1242d62b57d5a27da78635a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.396696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050022/manifest.json
observed 1e455b2200b06513ed1a73cb5a64ac4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.377700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050022/publication.md
observed 39984c088619af8f1f5e22187f28238c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:59.358377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050022/publication.txt
observed 623109068236873cc665d3ff04257367...
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.