OpenTechnical

OT-2026-000060328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000060328) never changes.

Identity and time

Publication numberOT-2026-000060328 · never reused
Internal UUID01a0ae8a-5a75-7be2-85e4-1558246ad514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060328
StatusPUBLIC

Content hashes

Canonical text472f64959961ed54013d1d08aa67b0993ee30f12eaaeb8a3fdf5b57e9f31ea89
Markdownc50563160d3f9af0fdd9132d5e99319ae0b782210fcf77b3aa7fe0b58195a292
PDF
Publication pagebd3bc06ac66b45cebeda6d0ce98bf849153d95060c3d5f26b9f0bba0bea71e5a
Manifestc0ff1361041f2e08d2066d8b8151d0e19478ad7652ab45a09492fe218b6eb27d

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
SignaturexUL5ZQfSA7Ccj6xJFYB0mnGv9c/tDnEXxFvuOFgBqC7WXpeNT1/9inAtDRY2lUfIPyR9YtO1Yltk6oa1Bf6KCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:02.761546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060328
observed bd3bc06ac66b45cebeda6d0ce98bf849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.722717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060328/manifest.json
observed c0ff1361041f2e08d2066d8b8151d0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.681352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060328/publication.md
observed c50563160d3f9af0fdd9132d5e99319a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.647854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060328/publication.txt
observed 472f64959961ed54013d1d08aa67b099...
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.