OpenTechnical

OT-2026-000022329

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000022329) never changes.

Identity and time

Publication numberOT-2026-000022329 · never reused
Internal UUID01a0ae6f-f4fd-7506-bf36-a537080c6df0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022329
StatusPUBLIC

Content hashes

Canonical text78c0ac50e271487079a8bb9f2ae6ade9d4f064c2231e2dafcfc0f24ea90bada7
Markdown0b65e77597e716bc872ba74a74057c573e9cf4fa11fedfc3257aa4174ecc418b
PDF
Publication pagece7f7463e55090d51b4aa0a0c8a2539b8e3da8008b989cdc728a23db4198cc1d
Manifestdbf0ceaab65c97ab86e68d13102252a6f0dd7a06081fc30c1287ac2ec6dd40bf

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
SignatureWuY2BPzeTnX4inVLivJ7lL2UhnW5Z3KJmrCS1398VXQnSwitxaLBpp5sScewohuLGJteBINNsS9APd/kl/0YCg==
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

2026-09-17T11:53:41.407305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022329
observed ce7f7463e55090d51b4aa0a0c8a2539b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.391295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022329/manifest.json
observed dbf0ceaab65c97ab86e68d13102252a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.374752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022329/publication.md
observed 0b65e77597e716bc872ba74a74057c57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:41.357223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022329/publication.txt
observed 78c0ac50e271487079a8bb9f2ae6ade9...
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.