OpenTechnical

OT-2026-000030177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030177) never changes.

Identity and time

Publication numberOT-2026-000030177 · never reused
Internal UUID01a0ae73-e500-778a-b850-ec793c20090a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030177
StatusPUBLIC

Content hashes

Canonical text304a9fd95e28ee168f45675824c1b990ddd13431d89fc614de657108362b75d0
Markdown56343aa161ef86fd4c105bf7806385c5f0cb8fa98fed67927527ae6489a44d1d
PDF
Publication page7c813ff0ae22f399e378d64225f90fedc2546c52d1bd6671c41d12cb5b5008a4
Manifest75093fcfd541b05524f5dabcdee4e11cd3dfe8036ec0656f780e9f267aa59e78

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
Signature0RadOdpEeoRKnCgmWBMVZTR2ZgJZ2Yo3IVD3uzKepF6pEgqeEGn+xxNOFNXe+eXBK+SDxyde61+GPUkf4Lj3AA==
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

2026-09-17T11:40:32.361475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177
observed 7c813ff0ae22f399e378d64225f90fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.345048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/manifest.json
observed 75093fcfd541b05524f5dabcdee4e11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.327850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/publication.md
observed 56343aa161ef86fd4c105bf7806385c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:32.312774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/publication.txt
observed 304a9fd95e28ee168f45675824c1b990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.739851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177
observed 7c813ff0ae22f399e378d64225f90fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.719218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/manifest.json
observed 75093fcfd541b05524f5dabcdee4e11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.701204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/publication.md
observed 56343aa161ef86fd4c105bf7806385c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:48.684035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030177/publication.txt
observed 304a9fd95e28ee168f45675824c1b990...
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.