OpenTechnical

OT-2026-000095208

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095208) never changes.

Identity and time

Publication numberOT-2026-000095208 · never reused
Internal UUID01a0ae9f-8f70-77f7-8e6e-08e5b4c3fde3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095208
StatusPUBLIC

Content hashes

Canonical text9c352ac502b6172357c41968e648f239dc5cbdf684a59bf0e04e21d1ec37a29a
Markdown3776ab770ec285aa19746445d9f8b1a09ebc8b457c41397bcbc3e3a37f18e8e8
PDF
Publication page7b24c541a2c0ad3c0cc31676471c7c9930939447a40161d489db0b92946c882a
Manifest9a3df1be17b5b61e06ac85d1cc8fc8c8fc1d68890dfa72ce91653390f3f9d2f8

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
SignatureZqZD5SJfFhPQvDYqsT/lpZGC/B6i24BDzNp7Bf4bjNiHyxSOqeKf8VlNmSvtk6uOPSsjHyfFVbXKPclJ2THHDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:31.551657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095208
observed 7b24c541a2c0ad3c0cc31676471c7c99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.534235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095208/manifest.json
observed 9a3df1be17b5b61e06ac85d1cc8fc8c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.518021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095208/publication.md
observed 3776ab770ec285aa19746445d9f8b1a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:31.500048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095208/publication.txt
observed 9c352ac502b6172357c41968e648f239...
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.