OpenTechnical

OT-2026-000023629

Publication integrity record

Six cup vacuum gripper, six 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-2026-000023629) never changes.

Identity and time

Publication numberOT-2026-000023629 · never reused
Internal UUID01a0ae70-aed3-7b06-8dfd-126843a94068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023629
StatusPUBLIC

Content hashes

Canonical text8439dd61801968c84f7bfc60367f95b93bb9e9bad68a3ca3e55feb7e00c6974c
Markdown631dfa32525e1d6de1f94862966655e395a86965e7e1dc95cb9cc55418e19b3f
PDF
Publication page6d537c1042934a350ec678d7800527f36b792a23a0bb592c54a2f0bc765d72d3
Manifest9805a9113a1243a3a1c5bd3856b79d2dcd54ead476d056f61d14be7a7efcf98b

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
Signature4m46e/nCMD94nqoQqNW9yaoIMRKDMeMsIihH+ZOwz3Uk53cbyrWmeqRbNjRC8PkzpZkTGLKva601W68uDx4NAg==
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

2026-09-17T11:49:50.175667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023629
observed 6d537c1042934a350ec678d7800527f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.158343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023629/manifest.json
observed 9805a9113a1243a3a1c5bd3856b79d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.142176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023629/publication.md
observed 631dfa32525e1d6de1f94862966655e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.122721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023629/publication.txt
observed 8439dd61801968c84f7bfc60367f95b9...
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.