OpenTechnical

OT-2026-000058744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000058744) never changes.

Identity and time

Publication numberOT-2026-000058744 · never reused
Internal UUID01a0ae88-f39e-76b5-9e2d-70664e51467e · 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-2026-000058744
StatusPUBLIC

Content hashes

Canonical text63ca5ff26f634bbaa4e3735ecfa4396f16dd1c6ff6b1b57a0a01692ae89a5836
Markdown55840f5739aa55618c3f634d86f3d4d9777d382e9a6a40d33498787a69d2f30c
PDF
Publication page72f13eafbb5a924a2c91e84e49975944ba151b0b326093b173723de11ed10bff
Manifest784a18d9f8a02dc2f6780d16a065cc6dd30d21789ec4d035c0fa95977ae0256a

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
SignatureL7UYCPxrFt0lzgrzvd4ZVIXclnGFJy4lGkyeUpUMwZt3kAOoSCs+2jbuARMrO96V01ESgwse0kUn1XpTsKHfAg==
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

2026-09-17T10:47:16.818258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058744
observed 72f13eafbb5a924a2c91e84e49975944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.801611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058744/manifest.json
observed 784a18d9f8a02dc2f6780d16a065cc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.783918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058744/publication.md
observed 55840f5739aa55618c3f634d86f3d4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:16.767572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058744/publication.txt
observed 63ca5ff26f634bbaa4e3735ecfa4396f...
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.