OpenTechnical

OT-2026-000059020

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000059020) never changes.

Identity and time

Publication numberOT-2026-000059020 · never reused
Internal UUID01a0ae89-47a1-7a3d-8532-7bcb0ac224c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059020
StatusPUBLIC

Content hashes

Canonical text9af5c66d770255a5cfcfb8c264458a01043802957d23e95644394a94d3aa1353
Markdown196039aa33c5bb09027339d8b84ae46c5d7a401a6c0dc3bc74f90cd72f36d4e6
PDF
Publication pagecac69e48d9f962c02e693dac5afd043ce837c54acd52ce859765dbe89551a78b
Manifest2b59c0a967377daa234178c478f9f2033f6fea5d7ff77c0a28ad3b3c6f097a70

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
SignatureeipJIe8Xpwl4lY/33bmcCGQnGrSlbXStxBrdDfSqfG16CccEsMmCsc3ieDq0G7U3QbFJlrKmmOxwiIE7LtsuCQ==
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

2026-09-17T10:46:36.906433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059020
observed cac69e48d9f962c02e693dac5afd043c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:36.888185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059020/manifest.json
observed 2b59c0a967377daa234178c478f9f203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:36.869028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059020/publication.md
observed 196039aa33c5bb09027339d8b84ae46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:36.851498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059020/publication.txt
observed 9af5c66d770255a5cfcfb8c264458a01...
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.