OpenTechnical

OT-2026-000030670

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000030670) never changes.

Identity and time

Publication numberOT-2026-000030670 · never reused
Internal UUID01a0ae74-3fb3-7754-86e9-9f88b8d5d95d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030670
StatusPUBLIC

Content hashes

Canonical text6e559019b9e43b627bcb179f7fcc0b10fffb72217fd5d707f8d29f89332c0751
Markdownbac34c4bb7b1f8463a671be7bf2b49acf38a3e7d3cb058ed62ed2c0500555e59
PDF
Publication pagebb8002b04ac65f82e558906445a2d79c97d5d746aa7c142ee6c823767667c26c
Manifest2db2e28a2fa74e6e1bc925aa2880585dcca88ab56f00cfe863796803c154c559

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
Signatureqcej35vkvUi6CD9vbBI95r/VFurtBNHMU0qtBRxvQyBvsI7BQ03PzOMfbMCCRGiiPRcHhKanNk1Uda5+hG4pCQ==
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

2026-09-17T11:36:33.553413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030670
observed bb8002b04ac65f82e558906445a2d79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.534397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030670/manifest.json
observed 2db2e28a2fa74e6e1bc925aa2880585d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.516866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030670/publication.md
observed bac34c4bb7b1f8463a671be7bf2b49ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:33.499527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030670/publication.txt
observed 6e559019b9e43b627bcb179f7fcc0b10...
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.