OpenTechnical

OT-2026-000027220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000027220) never changes.

Identity and time

Publication numberOT-2026-000027220 · never reused
Internal UUID01a0ae72-3454-71c7-948f-f3693ab0ce8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027220
StatusPUBLIC

Content hashes

Canonical text2e985f029a97028be353e586c2b1ea92bb0aa35139960a9f5ebbf60caa73ce14
Markdowna9fdc1910904881657938b4717f4c31f36eacf0c01c4d1c457c64fb6f44eb67b
PDF
Publication page9e6ec65d3247706a3b3059ff9986b7271a50810fd4b3517bb32f906eb71d75ae
Manifestf10d6044902f59b1a01d27cd05d51ecd761989c53fa61aa2e180171128d8e626

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
SignaturezvYWiJP5TXrR+4BcB4KLgTfeikgt7pKZoZj6G0D4k7wNHKPoBk3iPriFO8sMOrHeV96lv+GeoO+tc4k8smR6CQ==
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

2026-09-17T11:44:06.715669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027220
observed 9e6ec65d3247706a3b3059ff9986b727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.700079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027220/manifest.json
observed f10d6044902f59b1a01d27cd05d51ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.683978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027220/publication.md
observed a9fdc1910904881657938b4717f4c31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.667485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027220/publication.txt
observed 2e985f029a97028be353e586c2b1ea92...
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.