OpenTechnical

OT-2026-000078346

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000078346) never changes.

Identity and time

Publication numberOT-2026-000078346 · never reused
Internal UUID01a0ae95-7c27-74e2-b1ca-4cd2db82fff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078346
StatusPUBLIC

Content hashes

Canonical text7022bfa9f89b2f6b784fbcb241ba77ede113f31329805ba91e1e51e37978fcce
Markdowndced240fb6466f989c146a0576cf462617fe4ef771138a696b8b710e61ccc865
PDF
Publication page1481d41449659648f1b84d5d8a1d11a123cd9be49eca0c9fd800ef248e8a9c44
Manifest1a9100b509eccfd13c0fa62cb98c95be3814ee19201270b2864beec489206c70

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
SignatureE/LiszzX7rav9UuTW8+16zZUo+g61H+KB9CSxnCWfpftZL6wC5LQnNZ2UNXNm+mLIxCi7DI4DO/+7CWL+gfzCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:18.922733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078346
observed 1481d41449659648f1b84d5d8a1d11a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.905654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078346/manifest.json
observed 1a9100b509eccfd13c0fa62cb98c95be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.887806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078346/publication.md
observed dced240fb6466f989c146a0576cf4626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.869878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078346/publication.txt
observed 7022bfa9f89b2f6b784fbcb241ba77ed...
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.