OpenTechnical

OT-2026-000071772

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000071772) never changes.

Identity and time

Publication numberOT-2026-000071772 · never reused
Internal UUID01a0ae92-1e91-7c59-b28e-4bac61e1e848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071772
StatusPUBLIC

Content hashes

Canonical textc08ce35a4a4c9662db0a230e7ea7ee5054b65382f68ccf5d83ef6f95759cdac1
Markdown054ab7513105f6178ca63c232b506eb5942adf2a1d3f73377ac2c212be870295
PDF
Publication pagea8475857f0c55c7829502fab8bef7a07524e1a6516787b7d87db7a4f53aa64f5
Manifest1f5701b3167cb866af03d7ce584d0bef2e37e66073a7e29b9b4ff79ed733d1ad

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
SignatureOIOFONSqF1hT67MrucXDSKw7ZbD/LSi6NJqwVNDTXXFqss0lt0UxlkYyBYyakxh/MRb4iHBOo2h+nEo+//Z8Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:56.073797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071772
observed a8475857f0c55c7829502fab8bef7a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.058076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071772/manifest.json
observed 1f5701b3167cb866af03d7ce584d0bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.040062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071772/publication.md
observed 054ab7513105f6178ca63c232b506eb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:56.023009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071772/publication.txt
observed c08ce35a4a4c9662db0a230e7ea7ee50...
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.