OpenTechnical

OT-2026-000027868

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000027868) never changes.

Identity and time

Publication numberOT-2026-000027868 · never reused
Internal UUID01a0ae72-a4a5-7c43-8d1b-46acfe955ebe · 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-2026-000027868
StatusPUBLIC

Content hashes

Canonical textc9927d5c0888c04da7e7eee1ae5570d491b12e44a47f423a3a114e3759696be1
Markdownd7a9676e8b5d7d7707a9a5ddcba15c11d13b89187cdcc925615668f8fef701cc
PDF
Publication page57db8c884238c724fcfde8c37341fe4a7c43c95cf4378d1e27df6f4f3b0359f6
Manifestce13f539b11f19faddd61545b3b9049dc64eb3b776c2c8be762d09d846cca400

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
SignatureAybpracxUP3BOBzR8HW0v0S+KScNBTrIKGzeicSaid/wOO2vuHskijP9a5+fZScviUi5LIcK2kXuzqITQbU7Bw==
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

2026-09-17T11:42:01.288235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027868
observed 57db8c884238c724fcfde8c37341fe4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.270386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027868/manifest.json
observed ce13f539b11f19faddd61545b3b9049d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.251618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027868/publication.md
observed d7a9676e8b5d7d7707a9a5ddcba15c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:01.232899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027868/publication.txt
observed c9927d5c0888c04da7e7eee1ae5570d4...
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.