OpenTechnical

OT-2026-000074059

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074059) never changes.

Identity and time

Publication numberOT-2026-000074059 · never reused
Internal UUID01a0ae93-2b8f-7149-b789-d1589de4219c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074059
StatusPUBLIC

Content hashes

Canonical text2f001ab60a37a3aaa8401174a0086482ae52dccd7e15c497f39702ff4758fb38
Markdown723a624774c5642413cd859fe46b9fd5bd6da6ddc9c72ed773e002a94a15e91d
PDF
Publication page1abd57fca929a591748b62d7fc10e7d043c6972bb316ff7f3bb0c0709ee665d0
Manifest7d494e740ddb905ed95406a6b8c48589efee43f242d2cd2a47602eafa8c95a74

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
Signaturegs3laLy98b5LzYOVW5a7BO98Z/PvPZQ2FUOTJMaQvRQfdBfUvQXRvD+LH0vwX1ksvWFXZr5mCW6X5vXxomx+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:23.245960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074059
observed 1abd57fca929a591748b62d7fc10e7d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.228384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074059/manifest.json
observed 7d494e740ddb905ed95406a6b8c48589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.208319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074059/publication.md
observed 723a624774c5642413cd859fe46b9fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.184844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074059/publication.txt
observed 2f001ab60a37a3aaa8401174a0086482...
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.