OpenTechnical

OT-2026-000088627

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000088627) never changes.

Identity and time

Publication numberOT-2026-000088627 · never reused
Internal UUID01a0ae9b-8f0f-7ffc-bd1c-a92166cf0b05 · 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-2026-000088627
StatusPUBLIC

Content hashes

Canonical text8b07d395b78b6744843b1bfd8021b8b3365ce827bc7ec82d2b386f16351a2748
Markdownbc58a50a4d7772799fa942a57fa9d43d6826a77b473758bbec3bc263f597cacf
PDF
Publication pagec8a4186da21316f04c23c81e424b08fc551e76ccd18f7aa3463cace558d3a987
Manifest101083d5e901e97809887c7a7663ffd78d484e9ecac33b82665dc87ae3afc17d

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
SignaturePPuPxtqnLuX1XpScU1qpU3cY9OBwgPIwaDOx/OyYjlh0O2qeKHW8BCZuyWxMJ+Dan8PG/tfYRvkm3R/RJy/UDw==
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

2026-09-17T09:47:50.379547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088627
observed c8a4186da21316f04c23c81e424b08fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.362669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088627/manifest.json
observed 101083d5e901e97809887c7a7663ffd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.344217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088627/publication.md
observed bc58a50a4d7772799fa942a57fa9d43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:50.326666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088627/publication.txt
observed 8b07d395b78b6744843b1bfd8021b8b3...
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.