OpenTechnical

OT-2026-000088328

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000088328) never changes.

Identity and time

Publication numberOT-2026-000088328 · never reused
Internal UUID01a0ae9b-5d27-75a3-8114-c7c4eca8eeb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088328
StatusPUBLIC

Content hashes

Canonical text0a10d344d837abdd0371bd8ac6e52376d3b1c514fe4964cf24fe2b9c6d027bc0
Markdown9cb73e48130ee72ed268a854ea409f65284eedba45020b2697de36906c6f40bd
PDF
Publication pageeaf09bb9c2d3f07065a44bd03f6af2d5e3e567617b064dee8b1d1b410e8b8068
Manifest0061d2836e16231a2b9fb6d33b7834c6bc899761b38075894313182c6a44c0e2

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
SignatureE5nPMCD2b69P1Ykb6IG16W0uhFchiZDnHu310pO7Wb/niP/oWaiCV+VdarHf8ruqhCm+vulojvoo525WVG2ODA==
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

2026-09-17T09:48:39.695746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088328
observed eaf09bb9c2d3f07065a44bd03f6af2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.678290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088328/manifest.json
observed 0061d2836e16231a2b9fb6d33b7834c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.660349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088328/publication.md
observed 9cb73e48130ee72ed268a854ea409f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:39.640279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088328/publication.txt
observed 0a10d344d837abdd0371bd8ac6e52376...
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.