OpenTechnical

OT-2026-000025907

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000025907) never changes.

Identity and time

Publication numberOT-2026-000025907 · never reused
Internal UUID01a0ae71-a83f-7e48-8236-d7d5d0ff085a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025907
StatusPUBLIC

Content hashes

Canonical textc648676ce733b73eb29351d77925bb37f5278b4021530e5e1ade12819ac6299c
Markdown231897cff835a9e2bf9f44e6c4e44ebcb1af207af1069e272e9fcee689449dee
PDF
Publication pageced5e6744116620faef7ac8905a6645ffc5b1253ffcfc21ec83f059bcc4f1879
Manifestad389ab2e4eaf1e122b1b78b11ae599045d2484d0ecc54c558078f1a5119e835

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
SignatureYFqt+SigJr78R+OBVx0y+HOSUx8osrhgFHdAve9wO3GufdD6/TYEqRvgmmjtEdLP+SEWd0BszYzbSPAHhvtmBA==
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

2026-09-17T11:46:15.318553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025907
observed ced5e6744116620faef7ac8905a6645f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.302143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025907/manifest.json
observed ad389ab2e4eaf1e122b1b78b11ae5990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.286489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025907/publication.md
observed 231897cff835a9e2bf9f44e6c4e44ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.269284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025907/publication.txt
observed c648676ce733b73eb29351d77925bb37...
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.