OpenTechnical

OT-2026-000071975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000071975) never changes.

Identity and time

Publication numberOT-2026-000071975 · never reused
Internal UUID01a0ae92-47c0-763f-8742-2749bd46a79b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071975
StatusPUBLIC

Content hashes

Canonical text29d15108a52ada316ad3b2646f64a315f9ef29a78fdb04ba2cea3e30686e01c3
Markdown2e9082945a5b028b263bfcd9e1b050d2d42356a2236c04b668aef547571b2f08
PDF
Publication page0236eb8986ec516889ada85fe5441e9147d7c7af53204201033bec45da978d27
Manifest4e39a805d09e8ee022b4952ddb5c8a7e54128cfe024f672f6fe0bb6a9c4d4bcf

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
SignaturekdoDd9bMdNsro9H8i+DuWmszsAtlRCJ5Vp9K5fi++7wxJiUk4dKoxTi4nV5lc+6INSWjAKZzDOFlrztKc063Bw==
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

2026-09-17T10:23:01.359033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071975
observed 0236eb8986ec516889ada85fe5441e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.341304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071975/manifest.json
observed 4e39a805d09e8ee022b4952ddb5c8a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.324606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071975/publication.md
observed 2e9082945a5b028b263bfcd9e1b050d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.306855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071975/publication.txt
observed 29d15108a52ada316ad3b2646f64a315...
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.