OpenTechnical

OT-2026-000087371

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000087371) never changes.

Identity and time

Publication numberOT-2026-000087371 · never reused
Internal UUID01a0ae9a-cd4f-7a66-9738-84530524370a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087371
StatusPUBLIC

Content hashes

Canonical textec94762285d4147951617849eeb258461fb27cfdaeaed3e674f3fb580b1448ec
Markdownedf0d294dc1ee66c288ee8112530df4b0858ccabefec79daaade80e91201980f
PDF
Publication page30075791d20b321488eda4fe09301f6aa72765feff046189b3ade515f7299178
Manifest4c398dc37c1052699cdaa5d282eb56d77a18f3b7fd52ec2a4374f19104e49c52

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
Signature1Qtg5Q2ccMlqJ/a9Qt9RbiJ1TIhwRq8/vUBr5JeExyBnMu07rskFY86U2PaykjAxfVRpLoRFAUh8Gb5YeIaYCw==
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

2026-09-17T09:50:33.347433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087371
observed 30075791d20b321488eda4fe09301f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.329643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087371/manifest.json
observed 4c398dc37c1052699cdaa5d282eb56d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.311266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087371/publication.md
observed edf0d294dc1ee66c288ee8112530df4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.292742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087371/publication.txt
observed ec94762285d4147951617849eeb25846...
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.