OpenTechnical

OT-2026-000084163

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000084163) never changes.

Identity and time

Publication numberOT-2026-000084163 · never reused
Internal UUID01a0ae98-5b5f-79d3-bb41-7eb0a82de8fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084163
StatusPUBLIC

Content hashes

Canonical text7dba456bb51d2595b1e3bdc87d782746ae953d58e16236e2a57b6135e2e93736
Markdown246f533786f2370d738cc6f29845b488fd6a8341244f4ffb1467aefc549caaf0
PDF
Publication page3b711aacfcbaa946562a4412987c7f45882606781345453f590384bfc687d9f2
Manifest8ee62d9833727e5f8f08b0e0c446286d6ff15faf378dfef32eca204fd8a7952b

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
SignaturePrmdcVsJ7tiEIH4uf/WQdrAgtf8BIGyw2TjO/VdCEDs3c9VgKmXJiwG53ctcfiY7at8wItqi2tSfVOjsa63yBQ==
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

2026-09-17T09:55:56.188944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084163
observed 3b711aacfcbaa946562a4412987c7f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.170557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084163/manifest.json
observed 8ee62d9833727e5f8f08b0e0c446286d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.148163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084163/publication.md
observed 246f533786f2370d738cc6f29845b488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:56.129403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084163/publication.txt
observed 7dba456bb51d2595b1e3bdc87d782746...
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.