OpenTechnical

OT-2026-000023581

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000023581) never changes.

Identity and time

Publication numberOT-2026-000023581 · never reused
Internal UUID01a0ae70-7269-78c1-b58a-ffb6ec8355ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023581
StatusPUBLIC

Content hashes

Canonical text57080d144bc23db35b68549bedcdf1724cd0f525d120c9c14a94f8a0b2f9997f
Markdown3b4eed8284a88aa7255ff3ac0399a7c20520245a91ebee47128e4d0a1cc7604d
PDF
Publication page439f6fc4e21b4e339c3798b5203a21cee91f78e03c94fc835621211bca8359c9
Manifest67f12537b95d8e18d194b0569c2acbd36edfd106385562b12b8ec13c957a8bbc

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
SignatureWdWRvxSTIxagDqg66UnLP0JZ/E3bSOdyJGTnZRMlvSJ+LRN3H4g7BhOfuo7xgmD8sxViLneKHDk28EmJQ8e5Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:56.262965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023581
observed 439f6fc4e21b4e339c3798b5203a21ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.245505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023581/manifest.json
observed 67f12537b95d8e18d194b0569c2acbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.228596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023581/publication.md
observed 3b4eed8284a88aa7255ff3ac0399a7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:56.210819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023581/publication.txt
observed 57080d144bc23db35b68549bedcdf172...
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.