OpenTechnical

OT-2026-000030344

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000030344) never changes.

Identity and time

Publication numberOT-2026-000030344 · never reused
Internal UUID01a0ae73-e501-7bef-8d2d-9314b8411b23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030344
StatusPUBLIC

Content hashes

Canonical textc50ee4d45678e8c023357f4ce5162d140ca07fac7666996595d2a45fa2d7372c
Markdownf17ed4f977a6ce45d0eb47d0ae5198d2472d2c2904b6f8f55438f7a6853a6e0f
PDF
Publication pagee795137bb10692ad535223ed09c0eae40316987392ea2cf967eb8740a1f33289
Manifest2660633f43a6919cfbe7cde74834f5ac87d9ab270fb9371602369d320872e849

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
SignatureF7AycqUQQOJYC3Z+tTAfpPTPk3A3qLlRcvk4AecQNU5TNq0ycY/u3R6Ljgb2+4ld0qp4i3iDWl5/5rkgaY/cAA==
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

2026-09-17T11:38:03.504311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030344
observed e795137bb10692ad535223ed09c0eae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.486763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030344/manifest.json
observed 2660633f43a6919cfbe7cde74834f5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.468612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030344/publication.md
observed f17ed4f977a6ce45d0eb47d0ae5198d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.451489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030344/publication.txt
observed c50ee4d45678e8c023357f4ce5162d14...
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.