OpenTechnical

OT-2026-000031677

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000031677) never changes.

Identity and time

Publication numberOT-2026-000031677 · never reused
Internal UUID01a0ae74-bad0-7f33-be9c-460848e0c4b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031677
StatusPUBLIC

Content hashes

Canonical texte45f3f090d9ea57d49234a86fb24d0bb3f0721946c951406aef4590b8edc3716
Markdowna3456bc347f8f81746455a03b99390e81caa443b0e9977dcf46a1cf4c68bd48b
PDF
Publication page0d6f5b4c757ca8e36d0f3c990f3f062fbeddeb7d84f8c46a2cdceaa6e1b5e135
Manifest3b2181478ca1613604b260bd9e5eda5d7414b10d4cae57c4b53908d9526106f2

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
Signature9rTkdGCNNMHlXJmQKhFq8cU5X65o878brmFU02ZA9ifuR1m3Oxkdf8vajDjMK2YqenrVQkavaDTVuznLLLfOCg==
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

2026-09-17T11:34:46.605563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031677
observed 0d6f5b4c757ca8e36d0f3c990f3f062f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.588925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031677/manifest.json
observed 3b2181478ca1613604b260bd9e5eda5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.573015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031677/publication.md
observed a3456bc347f8f81746455a03b99390e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.555407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031677/publication.txt
observed e45f3f090d9ea57d49234a86fb24d0bb...
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.