OpenTechnical

OT-2026-000104151

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000104151) never changes.

Identity and time

Publication numberOT-2026-000104151 · never reused
Internal UUID01a0aea5-341f-71b9-b2e2-08785b042f7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104151
StatusPUBLIC

Content hashes

Canonical text40d823229540b29b165ead968bafa51c1394f197754dd1a1e6a98fb3d4551cdc
Markdown6fc91205ab2d505749c5a44bf47d8740b68b7462edd0d294a43bf7413f7cf547
PDF
Publication page7b48bb1d140e51074b268c91b734255f3ef9e3aba5b93a9b43944d522f979ec9
Manifest6767ceb68f88e7e962f97a29132b867cee10378ceaad8455a1dd2589e27d4793

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
Signature2N9c1zW2Gyn1+pnz5VUDWHtitD6/fiYr5I768fIT/dKuOA03SXmkTXGToueE4uL3IX12vQDS8HpGzFUMdYTYAQ==
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

2026-09-17T09:20:14.277572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104151
observed 7b48bb1d140e51074b268c91b734255f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.252555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104151/manifest.json
observed 6767ceb68f88e7e962f97a29132b867c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.233300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104151/publication.md
observed 6fc91205ab2d505749c5a44bf47d8740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.213795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104151/publication.txt
observed 40d823229540b29b165ead968bafa51c...
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.