OpenTechnical

OT-2026-000022938

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000022938) never changes.

Identity and time

Publication numberOT-2026-000022938 · never reused
Internal UUID01a0ae70-46eb-7d04-bafb-5f6ca9e25ee8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022938
StatusPUBLIC

Content hashes

Canonical text8c1a97e8f98bac1551230d4bf9ca88225af5b34d301dde34d388efe3f1ae74da
Markdown8c18d57b91efb0fc5c0795196a2ed7cc707f8fa8b8fdef5f39502c0e8ea0e7cd
PDF
Publication pagebd06f3c7bbfac8d1486a714fc963b376c17ecfa6166fade8c690bd35533ff159
Manifestaf6afbe8936c084cd93afd86586a819d8e7cdc1c2b35bd115f8ac385e3e03922

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
Signature4Tb5eKCN7sRowhqan6cZdAHv3+kduB9TvBWztdyspvAgQ9NEWselrhAhLFFhUkWyoDH4mKEv2YuwytRLMMpOCw==
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

2026-09-17T11:52:31.151036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022938
observed bd06f3c7bbfac8d1486a714fc963b376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.134603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022938/manifest.json
observed af6afbe8936c084cd93afd86586a819d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.116189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022938/publication.md
observed 8c18d57b91efb0fc5c0795196a2ed7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.099248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022938/publication.txt
observed 8c1a97e8f98bac1551230d4bf9ca8822...
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.