OpenTechnical

OT-2026-000023177

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000023177) never changes.

Identity and time

Publication numberOT-2026-000023177 · never reused
Internal UUID01a0ae70-7267-782a-9cd9-7d0fc11399be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023177
StatusPUBLIC

Content hashes

Canonical textda98d6e8ccd654e4f3e3423a4b380f4aab477c577a1006e3a7074c3b7302fb6f
Markdown6146627d00e785817f09aca2b59fb15dc279cf56ed6c314294e7f2e72edcbe67
PDF
Publication page3556f88db204341f2ef2a347a1021aac407a678fd056e01660ad2ec7a2c22c5f
Manifest869d41749b5177e1c1a2bec7a772a22255479d8ae8937e3761d92d48f4c4df59

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
SignatureaVFdpN2wtqjb7Da9J6yANNWwnfUJUul1CJde1fH6naCBSAxj7weWT9OHmhn/zSR7l8QmBEvEIPbOEY7zYkghBw==
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

2026-09-17T11:51:07.389292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023177
observed 3556f88db204341f2ef2a347a1021aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.371945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023177/manifest.json
observed 869d41749b5177e1c1a2bec7a772a222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.352928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023177/publication.md
observed 6146627d00e785817f09aca2b59fb15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.331728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023177/publication.txt
observed da98d6e8ccd654e4f3e3423a4b380f4a...
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.