OpenTechnical

OT-2026-000034917

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000034917) never changes.

Identity and time

Publication numberOT-2026-000034917 · never reused
Internal UUID01a0ae76-1ed3-71ea-b16d-396fdb642f0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034917
StatusPUBLIC

Content hashes

Canonical textddc8211bda396ada7fe74ab64896728584e0a7e015124b9cb93cc762820569fe
Markdownda3eef79a8e145b5b8c29b7215d3adca6077eafe9cab624f9f63b8d76975a858
PDF
Publication page1e5c07f3fd6c5f2e2cfff08f9ec6514b8e64c7173904984a4081cb243851803d
Manifestc4a49fc8049a41f7187673e208506be89703459ae4406578478c5870af93adc5

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
Signature5kFK/UzVEeN1R1V466ISyMXy0D4LzRsH7UA2KnOvDLRd71bRfIH1BpTBcwOPru2yE0A19XFhh1VDexR2b1LXBw==
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

2026-09-17T11:30:42.117717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917
observed 1e5c07f3fd6c5f2e2cfff08f9ec6514b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.094878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/manifest.json
observed c4a49fc8049a41f7187673e208506be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.075303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/publication.md
observed da3eef79a8e145b5b8c29b7215d3adca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.057558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/publication.txt
observed ddc8211bda396ada7fe74ab648967285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:56.961793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917
observed 1e5c07f3fd6c5f2e2cfff08f9ec6514b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:56.938624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/manifest.json
observed c4a49fc8049a41f7187673e208506be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:56.907295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/publication.md
observed da3eef79a8e145b5b8c29b7215d3adca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:56.849116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034917/publication.txt
observed ddc8211bda396ada7fe74ab648967285...
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.