OpenTechnical

OT-2026-000031320

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000031320) never changes.

Identity and time

Publication numberOT-2026-000031320 · never reused
Internal UUID01a0ae74-87ac-72a0-8f54-266ac28fbd72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031320
StatusPUBLIC

Content hashes

Canonical text0bd26380ba828cabd1439791877ca79e43c37e246fe608c627090c2cc67cf5dd
Markdown78adbc6fbc4d7c347627614338537fd31b3d971e9ba244f91b4bd4bc37735e15
PDF
Publication page1ea3cde0d266fd66f29b0cc284309c05c1070e6075a62e60103ffe589abfb9a1
Manifestb4396e9c7b15cdb18ad5f46aa1942eb4617e49aeb3a34bf7099b1c6f6a8cabf8

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
SignatureiCiDyo4WmCsjPawsKsHYQwqV4iaD7ym2YCT2Yi3c9Xv56wX2okhZ3t5znobNYIbcXjstZJzn03ojtsBgGuaRBg==
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

2026-09-17T11:36:00.593764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031320
observed 1ea3cde0d266fd66f29b0cc284309c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.574700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031320/manifest.json
observed b4396e9c7b15cdb18ad5f46aa1942eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.558991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031320/publication.md
observed 78adbc6fbc4d7c347627614338537fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:00.541417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031320/publication.txt
observed 0bd26380ba828cabd1439791877ca79e...
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.