OpenTechnical

OT-2026-000041870

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000041870) never changes.

Identity and time

Publication numberOT-2026-000041870 · never reused
Internal UUID01a0ae79-e8a5-77de-93e4-45189ed4dd1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041870
StatusPUBLIC

Content hashes

Canonical text6073bcf5b64e71a1d63f89a6daa354be2c932aab206af38d91f33dbd7d03784d
Markdown213f2f60947dc3071b965cfc4782894dbb2e004b5f60e1617736bcdfcaf1a8b2
PDF
Publication pagec4ced6c39b74e764dc3bf713a61f4363a9d9d4d1bc1e4957ac915217fcc09dc6
Manifestff6a611a767b161724bf26450634d958e06c3e825e925f01401db3ffac15b19c

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
SignatureraiLCwHywarZL8oIQtz1yq08KGglfOxCpD2ttOGgV5ERHxOMEg4SGMhcQiR+z8F1Cet9JPiv46myTFZXV621BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:44.583580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041870
observed c4ced6c39b74e764dc3bf713a61f4363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.566166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041870/manifest.json
observed ff6a611a767b161724bf26450634d958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.547355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041870/publication.md
observed 213f2f60947dc3071b965cfc4782894d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:44.530888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041870/publication.txt
observed 6073bcf5b64e71a1d63f89a6daa354be...
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.