OpenTechnical

OT-2026-000039775

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000039775) never changes.

Identity and time

Publication numberOT-2026-000039775 · never reused
Internal UUID01a0ae78-d8d5-75b3-bfdc-cfcb6f8869d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039775
StatusPUBLIC

Content hashes

Canonical text570babc14bbf7679be172a6321169a1e794380ec0600a9494f9ed70057939e85
Markdown217129a27ebda3d0c5acb7579a04d85c4e26353fe4c0a9bc079dbef7d8e863ad
PDF
Publication pageb7ac928b3240fd1e292571760a28844ddc08e41aadfaf917d00b6ae8def172db
Manifestbc568437611ebbfd90a34de1d24ed4f92a4ad698cee2a15d1602d299d88c0356

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
Signatures9uDa7Z+8eTZcGbn3YOb7CC9GwBp0ETd9y65CPbuH+tRsGZ8SAzk95wQeATK4P0A5kAnvtwTrsMU+Djw5Dc7Cg==
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

2026-09-17T11:19:59.891431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039775
observed b7ac928b3240fd1e292571760a28844d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.873954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039775/manifest.json
observed bc568437611ebbfd90a34de1d24ed4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.857400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039775/publication.md
observed 217129a27ebda3d0c5acb7579a04d85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.838369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039775/publication.txt
observed 570babc14bbf7679be172a6321169a1e...
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.