OpenTechnical

OT-2026-000043416

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000043416) never changes.

Identity and time

Publication numberOT-2026-000043416 · never reused
Internal UUID01a0ae7b-327e-734c-9485-6b5402188b67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043416
StatusPUBLIC

Content hashes

Canonical textde7ef26e63858d8f6750f2196356554da0c44f6cb91c6b659b8c2c767a0ac513
Markdown2cbf8008904ba4841340cc557773dbd03c79d8107981ea68d1d90d84b4d5144a
PDF
Publication pagee1bc1e4cd5285ce2f4eec503f29985eb90e6257a62cedad38ed6efb99ce0050c
Manifeste31e230df7caa8266fd2e3a00c65f38035262bcbac1c28e7d1c67a53cfc3291f

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
SignatureSG4E6Tw9YKdmrWGaRuZklPhW7zLenDVDq3wIwaqrrsB6qsoxZ5I1yLvLT6hbV0gMZBGrNlASMF9dkc4rY0sdDA==
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

2026-09-17T11:13:57.422018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043416
observed e1bc1e4cd5285ce2f4eec503f29985eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.405105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043416/manifest.json
observed e31e230df7caa8266fd2e3a00c65f380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.387462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043416/publication.md
observed 2cbf8008904ba4841340cc557773dbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.368119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043416/publication.txt
observed de7ef26e63858d8f6750f2196356554d...
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.