OpenTechnical

OT-2026-000102280

Publication integrity record

Three 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-2026-000102280) never changes.

Identity and time

Publication numberOT-2026-000102280 · never reused
Internal UUID01a0aea4-50f3-785b-b809-9e43d8f3925f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102280
StatusPUBLIC

Content hashes

Canonical text7ac891c10e6c314dbe0b999f3130eb8cf176c0cfe6a04dde54e4c3b9c2dfc81d
Markdownc4a657590654fd3b83f8c9fc6ac224a808c2ea7a19bb545b933f33538ba1c497
PDF
Publication pagee6403c3e49da2933f7ec37d076cd2f46313a3552a69499c6128736ec76ca325d
Manifestc88bb4ad07cba8a3c0da9465f4b68a52410973fd04ca7b1aa43b91e668e473a9

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
SignatureA4HL9nsKwiNPeDlQE2Tpl+OpLba0wu90p7lAia0BWUYqwCTYSQ8rc2qiTInKv5va7xxBt+iU9zp1sSfrZU2pAg==
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

2026-09-17T09:25:28.255220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102280
observed e6403c3e49da2933f7ec37d076cd2f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.236805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102280/manifest.json
observed c88bb4ad07cba8a3c0da9465f4b68a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.210144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102280/publication.md
observed c4a657590654fd3b83f8c9fc6ac224a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:28.192548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102280/publication.txt
observed 7ac891c10e6c314dbe0b999f3130eb8c...
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.