OpenTechnical

OT-2026-000088846

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088846) never changes.

Identity and time

Publication numberOT-2026-000088846 · never reused
Internal UUID01a0ae9b-8f10-7d5f-aa53-2ff20cec6e73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088846
StatusPUBLIC

Content hashes

Canonical text84a76a8476b2f0693401050d5656c12dac6c1075767ec85557bd07da074fd93d
Markdown449dc28f817e934ec7b3915cfaa587fb1ba954d62209288142c6b3f3e3f30c0c
PDF
Publication page5f89497f26e6ed7834baade22b272854bcacf07186aa45e853250fbc10ebfef3
Manifest7f74c8003c6b64955acdd997062a48bc6791407f43bcd6355ee252a38d6c75c8

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
Signature/iJDu246IEBJfoDg4A36VMV3Kz418xLdGVxB7B15amAfqpNYdjfPWrX7g9wRDRwpJf6mrTWGJ3gkdFx3NBkLBQ==
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

2026-09-17T09:47:57.822337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088846
observed 5f89497f26e6ed7834baade22b272854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.804882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088846/manifest.json
observed 7f74c8003c6b64955acdd997062a48bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.785801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088846/publication.md
observed 449dc28f817e934ec7b3915cfaa587fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:57.768453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088846/publication.txt
observed 84a76a8476b2f0693401050d5656c12d...
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.