OpenTechnical

OT-2026-000087370

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-2026-000087370) never changes.

Identity and time

Publication numberOT-2026-000087370 · never reused
Internal UUID01a0ae9a-cd4f-77da-ae53-b4246d34a0b4 · 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-2026-000087370
StatusPUBLIC

Content hashes

Canonical text3dec3594de2c4d001a91d694d1ca9663eb2310e0fad01a5a3098c6addd070763
Markdownc4425b4036e2102dfacf35cac83ffbe9409b835367234e3142866606d8cce2fd
PDF
Publication page04ab59836d64f4fbbb9af74668c4f6fbfd8758f705493e7b309ad8a2d9dddcbb
Manifestd2c58b35931ed5b1af4ca0cd40deeb1b2319a9218735d23a850fa1c3756c88ae

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
Signature7R61tbwpQEq9DT9fESCJkYXQRhZLTWAwkrhNR0IEQLKR4DGEVHMTxiqUFv8S+4nRp36NEMqnTAHw/1jwyh8MDw==
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

2026-09-17T09:50:33.273885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087370
observed 04ab59836d64f4fbbb9af74668c4f6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.255473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087370/manifest.json
observed d2c58b35931ed5b1af4ca0cd40deeb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.235821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087370/publication.md
observed c4425b4036e2102dfacf35cac83ffbe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.216511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087370/publication.txt
observed 3dec3594de2c4d001a91d694d1ca9663...
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.