OpenTechnical

OT-2026-000012075

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000012075) never changes.

Identity and time

Publication numberOT-2026-000012075 · never reused
Internal UUID01a0ae6d-1943-7b74-8a0b-307d71153eb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012075
StatusPUBLIC

Content hashes

Canonical text43429cf50fef7d843dba2cffb9555a9d0617242d76c373ea3000e4546ef55406
Markdown8a742d9c58d91d7e4f6f4eea2a2f78f3524bdccb02ebac33f40e8e1699b747d8
PDF
Publication page500ae01f7aa716b5f40189d900159cd5a98f70503228281e38dd8212ae9c3ddf
Manifestba6854d0be7ac9debed5fbb019c82fa5b4582740c7e474d429838ad32cbedfac

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
SignatureqsCG371sz3vhAYFqzDlRNmM6pLVl5b8J/L1fa7xNq1wKRfZPe3raMk+AxK3NZzJQZ7LoEwYab1krgZJM8LETCg==
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

2026-09-17T12:12:57.728858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012075
observed 500ae01f7aa716b5f40189d900159cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.708303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012075/manifest.json
observed ba6854d0be7ac9debed5fbb019c82fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.690634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012075/publication.md
observed 8a742d9c58d91d7e4f6f4eea2a2f78f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.671706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012075/publication.txt
observed 43429cf50fef7d843dba2cffb9555a9d...
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.