OpenTechnical

OT-2026-000008870

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000008870) never changes.

Identity and time

Publication numberOT-2026-000008870 · never reused
Internal UUID01a0ae6b-31b7-7498-8e58-68d05e9519d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008870
StatusPUBLIC

Content hashes

Canonical text0c60bb8a485dc7f8f9848f9b139fdc678759af044a94ff1e1586c3644403f649
Markdownafc612c32e141b68235a2a2de9017e550948527924e55212aa21fb03b0d5b843
PDF
Publication page75f5bbdcd025840ed4c703fe27083ddd43b5a7c6dce7e197cb7376063862f10a
Manifest51a0f8e7efbdff44f793b3b45970dcc6d46d89bd47c889d5e77475346ea2eda6

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
SignaturexmOUCrE0c59iBIoXvZtUhZDdjVSHMnYoBX11sQL/gK6YaRZUfW45b2o/wTZ8DObjrnji1TqR/ahYjq0qc3YmBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:27.688119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008870
observed 75f5bbdcd025840ed4c703fe27083ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.670730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008870/manifest.json
observed 51a0f8e7efbdff44f793b3b45970dcc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.650365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008870/publication.md
observed afc612c32e141b68235a2a2de9017e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.629490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008870/publication.txt
observed 0c60bb8a485dc7f8f9848f9b139fdc67...
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.