OpenTechnical

OT-2026-000026882

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000026882) never changes.

Identity and time

Publication numberOT-2026-000026882 · never reused
Internal UUID01a0ae72-3452-7bb7-8443-decbffcfca19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026882
StatusPUBLIC

Content hashes

Canonical text501e36d314c54c5cd4f316b68365517ed84958c3568d3290b114402c29c42544
Markdownb80f3af4a087cef27d80301e9b1ef1d526c0108400448b23cb7c51565d95e176
PDF
Publication paged19ae9fd154ab3f9922b5ad9059a2c6e557eeb15e4565495440cfb120d62fea7
Manifest843d11d3edc77a9f4a4bd937f7f9b55ccf5fa2606ee02be1c38936dbed6fdffc

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
SignatureVk0tSReKVH7ij9PwLLQCNXyAN7kQFXbnwVGzcYshTGMn/Y0q7RW3ufVQkfR60vwhh1IcFDzTkdHFMfmrEarHDA==
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

2026-09-17T11:43:29.276412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026882
observed d19ae9fd154ab3f9922b5ad9059a2c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.259353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026882/manifest.json
observed 843d11d3edc77a9f4a4bd937f7f9b55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.241334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026882/publication.md
observed b80f3af4a087cef27d80301e9b1ef1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:29.224926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026882/publication.txt
observed 501e36d314c54c5cd4f316b68365517e...
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.