OpenTechnical

OT-2026-000072858

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072858) never changes.

Identity and time

Publication numberOT-2026-000072858 · never reused
Internal UUID01a0ae92-89da-7af1-afcb-0792584cd1f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072858
StatusPUBLIC

Content hashes

Canonical text31c29e3f364a580b607a25b1f121d39105f716d211b3f7823d8065158fb08daf
Markdown507515acf142802612b80444424c1e7b4bcfa4a713985f613b0523511de9b6c5
PDF
Publication page2521bb2f4a23eaa33a059cf20e8958cd1391c8b35c90e535e76b04a84817afc7
Manifest356b5cbdcd5096521e40229bdc63087d5989c58b76673c7ba0e3853fb9f3fc8c

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
SignatureFqgonb+Mud7kc75iXwZK6+Kb7lf3UA+eddiOb4tq7Pp8Hb7sFxYS+dNrrEe1J1x9p+4BycmhzOWNV8rm+AEDAA==
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

2026-09-17T10:22:46.931287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072858
observed 2521bb2f4a23eaa33a059cf20e8958cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.914762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072858/manifest.json
observed 356b5cbdcd5096521e40229bdc63087d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.897123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072858/publication.md
observed 507515acf142802612b80444424c1e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:46.879935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072858/publication.txt
observed 31c29e3f364a580b607a25b1f121d391...
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.