OpenTechnical

OT-2026-000061574

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000061574) never changes.

Identity and time

Publication numberOT-2026-000061574 · never reused
Internal UUID01a0ae8b-7b44-7e97-b699-5c69fe1a1ec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061574
StatusPUBLIC

Content hashes

Canonical textc68ee9679fa38ac38ba74b7895f1a8a8e4cb494b33e54a6780aa06108375c457
Markdownca45e630920ad3df3d66e9911487ebdcb4034f4fcf0b0a258bb37a3f4a39696d
PDF
Publication page195cf57167b04cba855788775750b60bfe3138814bab50f3136f75fb6b15f4f0
Manifest8ec1fc47c0264ccc4280bbd7105d4bc443e4986c52ac1ba3f2bb71079d87df6b

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
SignatureC1kp1Mqgy9J2GIpyI329YPMhOZdbYgXKqH//ytjKfwg9AJgeOvzev3EkMjM3oT6Oyaz1EcwNfxnYIazJDfzLBA==
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

2026-09-17T10:41:29.590195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061574
observed 195cf57167b04cba855788775750b60b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.569373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061574/manifest.json
observed 8ec1fc47c0264ccc4280bbd7105d4bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.551608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061574/publication.md
observed ca45e630920ad3df3d66e9911487ebdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.534754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061574/publication.txt
observed c68ee9679fa38ac38ba74b7895f1a8a8...
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.