OpenTechnical

OT-2026-000039290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039290) never changes.

Identity and time

Publication numberOT-2026-000039290 · never reused
Internal UUID01a0ae78-9674-73e5-8086-f86ec94b62c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039290
StatusPUBLIC

Content hashes

Canonical text69e8569184f7936915cfb1c5f46f080d36ebf89b23032ad0b31ba01e4bc0e1fb
Markdownc9e15d3a82b642c2aa9a0ce2cedd71ddab0f5d45502fb74dc4cbca2d95b85467
PDF
Publication pagef7ef0411595337f05fac571f3e8d66b664d1f48ac4353d7d5610471e069ff911
Manifestb8101a184c884b1cfdae6fb8866f6a7a8cc3cd839be52164a54bc3e1afd83d2c

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
SignatureToCR62gYta5vuOHmhOEK6YV5ZSZs/GkdpqQS0Ooq2cFGzC5ZIonlIUybLBlJ6YATVo/Pr56PS3fPhhG+NHNDAA==
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

2026-09-17T11:20:51.925889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039290
observed f7ef0411595337f05fac571f3e8d66b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.892322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039290/manifest.json
observed b8101a184c884b1cfdae6fb8866f6a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.874689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039290/publication.md
observed c9e15d3a82b642c2aa9a0ce2cedd71dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:51.840348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039290/publication.txt
observed 69e8569184f7936915cfb1c5f46f080d...
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.