OpenTechnical

OT-2026-000058404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000058404) never changes.

Identity and time

Publication numberOT-2026-000058404 · never reused
Internal UUID01a0ae88-f39a-7ef0-946f-b72953ee0ad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058404
StatusPUBLIC

Content hashes

Canonical text9bb60780ca7e770241808ff6c74e21c642fe0284154bf9abe8780c5fd615e1f5
Markdownbd98c1f34f03de384b4b52ac3b1f5081f7a2577bfa0aeda9bc8e2ec75082640b
PDF
Publication pageb335d78eb7ed70a857c95e6b7b393295a0f32a90e730a7232e1808913e5a3c1e
Manifestd45e565389e23ab16f77afeea6eebda7b550fa29d3a99a8caf5d1e20a3ac6dfb

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
Signature3dlIUio15UWPnb7P4jHaeUyDzgP4+m5FG+gyCn9w2g1+it3y/dnR750x3qSNbFN/XsUz3iUg1dgEoxx8H46aAg==
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

2026-09-17T10:46:50.065536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058404
observed b335d78eb7ed70a857c95e6b7b393295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.047009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058404/manifest.json
observed d45e565389e23ab16f77afeea6eebda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.030656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058404/publication.md
observed bd98c1f34f03de384b4b52ac3b1f5081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.013744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058404/publication.txt
observed 9bb60780ca7e770241808ff6c74e21c6...
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.