OpenTechnical

OT-2026-000061719

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000061719) never changes.

Identity and time

Publication numberOT-2026-000061719 · never reused
Internal UUID01a0ae8b-b8aa-7529-bb42-3a5dcdf0163c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061719
StatusPUBLIC

Content hashes

Canonical text9e716bb5164ce20c2f35ab2404a5970c43a77d0329ce7ad3904565a86225169d
Markdown5c00e2bc263e66bc8eef2317e61a8afc0857c6f15bcac9bee409b6ac49016450
PDF
Publication page0b68901141f0432602243dd63fc9a327ec530755966abdd035ea1a0cc341bd76
Manifest59142b9bfb3365dac4f162b6d82747977f0b70e8fe8cf6732205640181a13389

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
Signaturefsp4/qC5+YgdrsW2UIaehg8c6xmRzEZgNzA95Xs68X2Dlh87mL2jOq+JUOTUOXAB/0sn29ojiOb/KL93kid4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:17.797286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061719
observed 0b68901141f0432602243dd63fc9a327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.778509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061719/manifest.json
observed 59142b9bfb3365dac4f162b6d8274797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.758874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061719/publication.md
observed 5c00e2bc263e66bc8eef2317e61a8afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:17.738998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061719/publication.txt
observed 9e716bb5164ce20c2f35ab2404a5970c...
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.