OpenTechnical

OT-2026-000019155

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000019155) never changes.

Identity and time

Publication numberOT-2026-000019155 · never reused
Internal UUID01a0ae6e-f391-7217-bbed-dc8c237d134b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019155
StatusPUBLIC

Content hashes

Canonical text56c1cadb092ea7b701639e75ee255a38203a3b0858305807019f7f05bccf1e22
Markdown1b13a596f60bbdc0bc85836549833fa0eecd7b0c3cf75b5b5d23941151eff752
PDF
Publication pagec425719ec9fe4a3c10f1ed232aff04dd75a92c0e614b883f2b326122d6bc7782
Manifestd7730d4520213346d8300d9265c930f96f7df85fb40405666707da88dff84d3e

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
SignatureTT/2m+Ww6Inp05/zXSUO39XCRBXSXZ23OdV81HxWnTEE4FoGxEXAXILMYXHJcBhJG4SON17pToWO1VIVvHtMBA==
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

2026-09-17T11:58:23.497331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019155
observed c425719ec9fe4a3c10f1ed232aff04dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:23.478489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019155/manifest.json
observed d7730d4520213346d8300d9265c930f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:23.459747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019155/publication.md
observed 1b13a596f60bbdc0bc85836549833fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:23.394407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019155/publication.txt
observed 56c1cadb092ea7b701639e75ee255a38...
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.