OpenTechnical

OT-2026-000061730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000061730) never changes.

Identity and time

Publication numberOT-2026-000061730 · never reused
Internal UUID01a0ae8b-b8aa-7c3b-86f2-4de55270baa8 · 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-2026-000061730
StatusPUBLIC

Content hashes

Canonical text629ec6cd73209b189c1f873371fd563e8541502548da059a8d8e5c8907dc6c13
Markdowncab7305ce1fd0f704de07ddf9be755a445e3d92bc8c66f89ae5016c0b4caaa2a
PDF
Publication page85e3ecc7f07f5305411b5d15564cee3c1fe8d02a45b8d396363eee4296d223c2
Manifest3f9abb7e635ab41e5de6d97c8f93d22ec847f2d54fd57323602d09fa7a4c5e6f

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
SignatureGjGiTvtLQNC7Hq00eFV9VGOJndHEivAUr2Kaph5kaoazau7+SYaISq9R4wGBUeHTfawZUF2vfAx7VP1H/PPNAw==
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

2026-09-17T10:40:18.760517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061730
observed 85e3ecc7f07f5305411b5d15564cee3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.740011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061730/manifest.json
observed 3f9abb7e635ab41e5de6d97c8f93d22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.719943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061730/publication.md
observed cab7305ce1fd0f704de07ddf9be755a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.700553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061730/publication.txt
observed 629ec6cd73209b189c1f873371fd563e...
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.