OpenTechnical

OT-2026-000012648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000012648) never changes.

Identity and time

Publication numberOT-2026-000012648 · never reused
Internal UUID01a0ae6d-5562-7dfa-ac3d-bd24fe4bcf5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012648
StatusPUBLIC

Content hashes

Canonical text83caf4e13d8739f5dd01ddaaa3c4f933ae9c8dcaeb55a89339d8e63f6f20dd61
Markdown9627af3ad67aa1bf737f069c926732452a4635a900bc6ca4fc6fd47705e69185
PDF
Publication page39769f031984bb3afdf5d53a2a558e8c123408576202f3bb38e3ef3716015c98
Manifestd08b50226521ae4d0fdda14fe224c2e020dcdb36fea393bf8803263d712c9ee6

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
SignaturerSFBwR4FhVFK6HE6KyVFPY7xHJ9PX/fEqqw5s7bva6PsdozW8qW3tijJ8V9vcgVYHyhgefJTyWJe2s6E1pFBBg==
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

2026-09-17T12:10:16.869278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012648
observed 39769f031984bb3afdf5d53a2a558e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.848136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012648/manifest.json
observed d08b50226521ae4d0fdda14fe224c2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.830171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012648/publication.md
observed 9627af3ad67aa1bf737f069c92673245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.812269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012648/publication.txt
observed 83caf4e13d8739f5dd01ddaaa3c4f933...
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.