OpenTechnical

OT-2026-000088520

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000088520) never changes.

Identity and time

Publication numberOT-2026-000088520 · never reused
Internal UUID01a0ae9b-5d28-7a7d-b1f0-88572e891731 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088520
StatusPUBLIC

Content hashes

Canonical text639b2dd817bf80bd6a13af856fa8764bd308463f60b3222013923745e8111d3d
Markdown4ea451c3e460ca3dc47e2afa9fbe396b1ae668925fd34643dbf660277ab554ea
PDF
Publication paged0fe050e8f59970f98a419c0b259571aa2b761a31aaf89445080f5039ad08bb2
Manifest27d6930ca786e38ea2ed4ed81da3673a1826fb4c97873383f18c9f13b5dfc55d

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
SignatureHvFUb8CaYM4F1bvABRpfwl3geW+l2Qv7C5YNlsumfgduU/Nii+bBYDOe1KrJ77mt55kXx0z7fjslEXXDwu87Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:55.001119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088520
observed d0fe050e8f59970f98a419c0b259571a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.984409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088520/manifest.json
observed 27d6930ca786e38ea2ed4ed81da3673a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.966659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088520/publication.md
observed 4ea451c3e460ca3dc47e2afa9fbe396b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:54.948831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088520/publication.txt
observed 639b2dd817bf80bd6a13af856fa8764b...
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.