OpenTechnical

OT-2026-000047869

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047869) never changes.

Identity and time

Publication numberOT-2026-000047869 · never reused
Internal UUID01a0ae7f-c421-7907-a01c-ed2253bb869c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047869
StatusPUBLIC

Content hashes

Canonical text54da982c9515ea83fc86f8a686e0a337d9f19cb5d520503eb9525c248f246df4
Markdown151faa055defb03122e3d005d3ed036a5b51adb8b90e4620a753e87e52eb424a
PDF
Publication page1b36653939d6251bbfd3f0b4075c7ed40bf5f4a2a20fdfb126e62f0a930c86e0
Manifest00c660c7aafd606dfe4003921ab5f3cad967fc6468ddb7721a3bdee2f79bba2a

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
SignatureCb8FuyfOIlfVBtOZR4oU1acoMKnXL9a3cpImxlMH4aYi5Uh/7C5/PzyTInJq4o5i8zOccYbS4GBTqRg+URgSCA==
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

2026-09-17T11:05:47.779670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047869
observed 1b36653939d6251bbfd3f0b4075c7ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.760712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047869/manifest.json
observed 00c660c7aafd606dfe4003921ab5f3ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.741622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047869/publication.md
observed 151faa055defb03122e3d005d3ed036a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:47.724159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047869/publication.txt
observed 54da982c9515ea83fc86f8a686e0a337...
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.