OpenTechnical

OT-2026-000024137

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000024137) never changes.

Identity and time

Publication numberOT-2026-000024137 · never reused
Internal UUID01a0ae70-e8c7-737d-bb18-a443c2e770a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024137
StatusPUBLIC

Content hashes

Canonical text40ac8b818f20326953f5b6d64f1fc7069ec4b78f23dec98478030320bde0e1f8
Markdownd0ec260f9b3d9f450148fc6f85154b9f4208dc3523308d3503a5a0a5d5afbb4f
PDF
Publication page7ddfee53bab0cb47898d6997879a696d79095b09a772b3fe7a57288179efb26c
Manifest5c9d74e44bc5b3db7e00ce7e5625ef879415cf81e0842560b327cd35479e895b

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
SignaturebXHGqYhYaevF8fVHr8os85o0oMZeeY9IFwSotTIB5+dmaKH5CUEo/zL1Ubp1AdCKlMsnVNNoc4HUJtI05AO/DA==
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

2026-09-17T11:48:34.124684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024137
observed 7ddfee53bab0cb47898d6997879a696d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.108427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024137/manifest.json
observed 5c9d74e44bc5b3db7e00ce7e5625ef87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.092602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024137/publication.md
observed d0ec260f9b3d9f450148fc6f85154b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:34.076564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024137/publication.txt
observed 40ac8b818f20326953f5b6d64f1fc706...
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.