OpenTechnical

OT-2026-000104263

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000104263) never changes.

Identity and time

Publication numberOT-2026-000104263 · never reused
Internal UUID01a0aea5-3420-788d-8e14-84586fc2a4aa · 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-2026-000104263
StatusPUBLIC

Content hashes

Canonical text6f24b54226840c8e41984675355b91d8b6e12d01b28420f322a45d8d560a8e79
Markdowneb579de9922a23e22adcb1ea07cd9aa95410ac926841328298fba39a071ba2d3
PDF
Publication page6ca8f46ca087b9f3f8df7b40cf39d16b4a5c897f4dea1a3f6fd2c4891f448ef0
Manifestf39ba021fd89fe953d340022aea268be320857e66a67051dd591f3d63c686b66

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
SignatureuZwKYcF3rU6hW+nRkFVGerKoOCHdBAO6rHWCtOyomIkfj8zmU5drv2jN1X2I+79l16hMdYGRJTUZ6mB2DAtJCQ==
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

2026-09-17T09:20:22.588630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104263
observed 6ca8f46ca087b9f3f8df7b40cf39d16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.569549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104263/manifest.json
observed f39ba021fd89fe953d340022aea268be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.552553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104263/publication.md
observed eb579de9922a23e22adcb1ea07cd9aa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.534219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104263/publication.txt
observed 6f24b54226840c8e41984675355b91d8...
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.