OpenTechnical

OT-2026-000073847

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000073847) never changes.

Identity and time

Publication numberOT-2026-000073847 · never reused
Internal UUID01a0ae93-2b8e-7d7f-ada5-b9d7f99bdc5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073847
StatusPUBLIC

Content hashes

Canonical text193ec9dd834797ca3c78104da9d5f75c23fc592ba90a021369ad268bb762e38c
Markdown4db05a4001c90680dbffe3b156e22a47f02b4be7f2ccdd79690ebd16f9cec9e8
PDF
Publication page006689740b45432c23c55f5bbc7ef856d84c42c133756dfa012fec48ae9689af
Manifest68eaca195f30dc760237810d80f3061a4648fd867cd951c0830f0c4674acc316

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
SignatureO6hLp4CT4V/Z3P+IaByJD/WO1vc4FBLiwSVE4NUTPtuCQ2TWpPWmSgPqq5ddQaDvW4AezFkJ0CI38aRqV5U0DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:59.059207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073847
observed 006689740b45432c23c55f5bbc7ef856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:59.014844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073847/manifest.json
observed 68eaca195f30dc760237810d80f3061a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.995695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073847/publication.md
observed 4db05a4001c90680dbffe3b156e22a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.978073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073847/publication.txt
observed 193ec9dd834797ca3c78104da9d5f75c...
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.