OpenTechnical

OT-2026-000033074

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000033074) never changes.

Identity and time

Publication numberOT-2026-000033074 · never reused
Internal UUID01a0ae75-4843-7ee8-b5c1-236954d6bbe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033074
StatusPUBLIC

Content hashes

Canonical text50ea273700698f3201fddd079aeed898324c455146d7efa9f325172830e7cfdd
Markdown62db375265f9892d3ac829e4b1e51d46772f2a4711035e60c9bf09b52361c632
PDF
Publication pagefeeb71875cd2178fa52078351de4c42a7230fe9e38b07e6ade6fd74447f910b5
Manifest2785621f36f360db4ae7e1efc8d7df40eb59d5223619b126de5249ab5e94407c

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
SignatureHG9JMUQD129IxJBlUAiUhZ3fazUifGNPs84CCtMhooo6Nv3yD8qB8PhC7v6s5EntCTV9tMG5/M5VpLV2FPZSAQ==
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

2026-09-17T11:32:43.187754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033074
observed feeb71875cd2178fa52078351de4c42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.170965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033074/manifest.json
observed 2785621f36f360db4ae7e1efc8d7df40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.154740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033074/publication.md
observed 62db375265f9892d3ac829e4b1e51d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:43.138587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033074/publication.txt
observed 50ea273700698f3201fddd079aeed898...
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.