OpenTechnical

OT-2026-000062374

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented after 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-2026-000062374) never changes.

Identity and time

Publication numberOT-2026-000062374 · never reused
Internal UUID01a0ae8c-0abf-7523-9d69-d83224ef0951 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062374
StatusPUBLIC

Content hashes

Canonical text418c31f28fd22c3787a67aa558ffc8212f74e147979c95ef9b3b6013d34ca2ba
Markdown6b6f40134197cbe5410dfccb55123d788db7d0a02432894f1db68580496b8889
PDF
Publication page21edbcf523fa04360170c3f6f150c498311fd7c9eb9b740c32d65990262be971
Manifest44b23172e3d1f3d785af6042c8eb39460e745a95323687da58d4797b0498581a

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
SignaturebFnOP5cUPrskjx28JXADXMSH5/q99XjeVqQi08cC05IQVRwWLwkQuQcf8+aIGpjIQPyQQiwPNwPHOLbW5EIQCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:41.567385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062374
observed 21edbcf523fa04360170c3f6f150c498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.548736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062374/manifest.json
observed 44b23172e3d1f3d785af6042c8eb3946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.532860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062374/publication.md
observed 6b6f40134197cbe5410dfccb55123d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:41.514302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062374/publication.txt
observed 418c31f28fd22c3787a67aa558ffc821...
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.