OpenTechnical

OT-2026-000062071

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000062071) never changes.

Identity and time

Publication numberOT-2026-000062071 · never reused
Internal UUID01a0ae8b-b8b0-7e34-b4d2-91fb7e31ea94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062071
StatusPUBLIC

Content hashes

Canonical text68336865ee9e395ab72bbd96d87379ed93259b78cbba15cdcce18a85d2cdbe30
Markdown4d335c681e6d3671222b16f5528c51c76ad4415060706b0e1daefcda5ea08fff
PDF
Publication page987b8c4d2ec62fba051c6e14cbd5c092727b3ab781e5307455a1933e1a741e4a
Manifestea31b918e17060d64e5c2b209699aafca0959ae487ec4410ba61d4209f9ff435

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
SignatureZ78Pf30Zewya25/K+rW30imrXhu4fWpuynt4tLBgXiZaEq0+Uy3BRzNMnN7YN/MH0Gf/MyGNSAmZs7/KhvC5AQ==
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

2026-09-17T10:41:07.198396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062071
observed 987b8c4d2ec62fba051c6e14cbd5c092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.179430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062071/manifest.json
observed ea31b918e17060d64e5c2b209699aafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.161971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062071/publication.md
observed 4d335c681e6d3671222b16f5528c51c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.144739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062071/publication.txt
observed 68336865ee9e395ab72bbd96d87379ed...
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.