OpenTechnical

OT-2026-000027813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000027813) never changes.

Identity and time

Publication numberOT-2026-000027813 · never reused
Internal UUID01a0ae72-a4a5-75a9-ac87-6ab9b7462ba7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027813
StatusPUBLIC

Content hashes

Canonical text711a77e3c5a2df0f406d5b147a90ba3438f2b3bbc4403801d285ef226f2a6f7b
Markdown5596f0ba5a3e9a9f47ac21929793ce8c6880779e8ec57df0255ea883fa622513
PDF
Publication pageb3853717775a6cfb44e28e1893231779469ca731bb61312924b2507e7ac1f6d9
Manifest34c43922d46eaead92efd56d66b4720ed33ba657de45f677abe53de29b447e24

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
SignatureGcRr+HdiimkoMr93ye0XDlbwEpyuSpdqsFHMxUmAd8k+aMInoIeCo+QdZ7Yg4DijJKRpqOLrzgRInkb2844OBg==
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

2026-09-17T11:41:51.810962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027813
observed b3853717775a6cfb44e28e1893231779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.792480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027813/manifest.json
observed 34c43922d46eaead92efd56d66b4720e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.776228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027813/publication.md
observed 5596f0ba5a3e9a9f47ac21929793ce8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.751828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027813/publication.txt
observed 711a77e3c5a2df0f406d5b147a90ba34...
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.