OpenTechnical

OT-2026-000012133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, pulsed 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-2026-000012133) never changes.

Identity and time

Publication numberOT-2026-000012133 · never reused
Internal UUID01a0ae6d-39f4-7e81-9d94-7915f392b10d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012133
StatusPUBLIC

Content hashes

Canonical text66e720b17a9f403c21bfea922d875e7c0a1b70b5ec75ad6e9b7bfadef6054570
Markdown1685805684e6f977fce625016b2714360638dcbb31080608c968785258dea89d
PDF
Publication page03120d289c6d74cc4beb974a8482a64abf17b81d5fdb240c6df8f1402a20174a
Manifest129faf14afcd9643843e2e5ee68cd26160620f0d01600768e03e0845df3a0c6c

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
SignaturekGNRxB00q6qsGEojyQDQyPnfspOQOivsOuJfmm/+Hz3c1lTg7ftQkesXz2aj/PZroOs2a1fd/RkCCYQpUrL2DA==
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

2026-09-17T12:11:01.224970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012133
observed 03120d289c6d74cc4beb974a8482a64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.205224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012133/manifest.json
observed 129faf14afcd9643843e2e5ee68cd261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.183728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012133/publication.md
observed 1685805684e6f977fce625016b271436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:01.164443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012133/publication.txt
observed 66e720b17a9f403c21bfea922d875e7c...
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.