OpenTechnical

OT-2026-000008556

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off after 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-2026-000008556) never changes.

Identity and time

Publication numberOT-2026-000008556 · never reused
Internal UUID01a0ae6a-e46b-79fc-b60c-83861a898f60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008556
StatusPUBLIC

Content hashes

Canonical textb9e2bf605b2692a541853e584d1c59fa83ca817815d9e69a95f3892c0c747922
Markdown2a4bd527cfd990e4e13646bc06c8807a4d2640091181f7f097a735421221cfec
PDF
Publication page0721a3b376f90f260a1399b6c058d36ce7c7feca6bcf0389e2790e6a9a971393
Manifest4a29212673ad25c87f3030380e8d4334a06e170d19f5a189b937a295e9604cd8

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
SignaturefX4qtTCxtSoyzNCzfcbS3+EsbCT0wPBe+mU2vFfQ0+hVb3XEbLtkXpbwcckpG/nh96rZvydad35iMOOCSsMPDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:29.290974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008556
observed 0721a3b376f90f260a1399b6c058d36c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.269285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008556/manifest.json
observed 4a29212673ad25c87f3030380e8d4334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.247881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008556/publication.md
observed 2a4bd527cfd990e4e13646bc06c8807a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.225837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008556/publication.txt
observed b9e2bf605b2692a541853e584d1c59fa...
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.