OpenTechnical

OT-2026-000033893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000033893) never changes.

Identity and time

Publication numberOT-2026-000033893 · never reused
Internal UUID01a0ae75-a391-708f-ada4-ec687f4ea402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033893
StatusPUBLIC

Content hashes

Canonical text2afc049a52ef79ab443dce6b5d08c4db615395495c990e7316641292fe07bff5
Markdownf30a3745a2d0e298653d87f7a56dac07d452ea48dfb92937e62d76b8cf1c0948
PDF
Publication pagee38d1fa04fcf4428ef4e4c15a02fddf0496bec67caa8d9b33b92170baf8cffc6
Manifestc55df1f5b51a7a7f0d6321adede8e1f2555c57bbad8971c3bad464a03aeacc52

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
SignatureOganJ+LAbc5Nmeq2GT6YAh4D6p2ElOWf4S3rk9+CPPq8SE/6LTkeyIV9KnUyo9LHS67vdHLUwpUhWFYGhkS1AA==
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

2026-09-17T11:31:58.098538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033893
observed e38d1fa04fcf4428ef4e4c15a02fddf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.081556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033893/manifest.json
observed c55df1f5b51a7a7f0d6321adede8e1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.060915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033893/publication.md
observed f30a3745a2d0e298653d87f7a56dac07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:58.043642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033893/publication.txt
observed 2afc049a52ef79ab443dce6b5d08c4db...
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.