OpenTechnical

OT-2026-000045187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000045187) never changes.

Identity and time

Publication numberOT-2026-000045187 · never reused
Internal UUID01a0ae7c-f769-7ee4-be28-f6f211dadd34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045187
StatusPUBLIC

Content hashes

Canonical text823bbdaddd66cc82ce0a1134aad879e47645aba0c73b9d6263783fff1b2ff54c
Markdownfa4aba1862c9a64c15f99038ca7b1ecf0d5f93d975c48070e95ddf04ab0f1971
PDF
Publication page27b2557d8790b37a01192fa5ccc58ef2c31ea1472a2ed013d4192fb8535922e4
Manifest4c533089f422f44e70ff3a05875c7b2d6dca9923f865e051255a9cc22554311f

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
SignatureG7QyCLIgac7M9rrYxMVf+fWeavBju8qG7iDr+USQTN88sq0exI0Z96cvChtRBcWL728MO4istOQolkuZDlhEDg==
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

2026-09-17T11:10:21.511255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045187
observed 27b2557d8790b37a01192fa5ccc58ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.492300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045187/manifest.json
observed 4c533089f422f44e70ff3a05875c7b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.470512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045187/publication.md
observed fa4aba1862c9a64c15f99038ca7b1ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.417664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045187/publication.txt
observed 823bbdaddd66cc82ce0a1134aad879e4...
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.