OpenTechnical

OT-2026-000010393

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off 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-2026-000010393) never changes.

Identity and time

Publication numberOT-2026-000010393 · never reused
Internal UUID01a0ae6c-0ee6-7ade-8ddb-239d697cbb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010393
StatusPUBLIC

Content hashes

Canonical text34edd266dba113b80b276f1e9b79b04b1d1519048f8695e3a2c13568eac7fe22
Markdownbfd33e881396410a2ae7f684b4bdb27200369c95c8f6ecec24ac6be586eb85e0
PDF
Publication page05fe951d3c76da5c369b3a514c2e859a123c5149947dd698836fe4c14bc3903a
Manifest3c7b32a5f72e56844f1c00e84bf2f2d2036de2f68edce8076d413bfde8ba2354

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
SignatureautRfvOp3IoymHbo5xdqWS3PcQMqnY4gzDbZXndc0EQ19W1f+BiHUP3nvsODq23pqOvBY2K47AYy6o3ET9RcAA==
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

2026-09-17T12:14:30.793514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010393
observed 05fe951d3c76da5c369b3a514c2e859a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.773849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010393/manifest.json
observed 3c7b32a5f72e56844f1c00e84bf2f2d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.753923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010393/publication.md
observed bfd33e881396410a2ae7f684b4bdb272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:30.735605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010393/publication.txt
observed 34edd266dba113b80b276f1e9b79b04b...
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.