OpenTechnical

OT-2026-000086244

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086244) never changes.

Identity and time

Publication numberOT-2026-000086244 · never reused
Internal UUID01a0ae99-e82c-7142-afcd-79f6b43a1c64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086244
StatusPUBLIC

Content hashes

Canonical textdeb166e49fc3308cf16fe46dfdd2f15bd3c317fcb2dfb0d34edc94bb2fd9cd3d
Markdowncc4b2c3cb5603e74636923ccd3a3e2e7c35b4a768baa5ee6f1b1e080c8372f24
PDF
Publication pagefc7322bf199fc176ab63d9e9cd54dc297fdcb0491a0d64a62479888329d35c6d
Manifestcef2cd72930cd86cde1ed753c72a8b2ddde28b66c528a03440795fb9a99aba4a

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
SignatureqwpV/7BXh884bKj4X4o0LciH2q60CmmuLBHk4Tpcvv+UXWy6QMnuPvBTh+hhq0WkWm65KAHnNDUiVp8s25ybCg==
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

2026-09-17T09:53:56.054577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086244
observed fc7322bf199fc176ab63d9e9cd54dc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.039222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086244/manifest.json
observed cef2cd72930cd86cde1ed753c72a8b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.022566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086244/publication.md
observed cc4b2c3cb5603e74636923ccd3a3e2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.005897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086244/publication.txt
observed deb166e49fc3308cf16fe46dfdd2f15b...
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.