OpenTechnical

OT-2026-000018648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000018648) never changes.

Identity and time

Publication numberOT-2026-000018648 · never reused
Internal UUID01a0ae6e-d520-763f-a342-7ad950c6928e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018648
StatusPUBLIC

Content hashes

Canonical text53ece00ec196646168e3507aa96b5c133b5da1c3ee9c184d1edbc0a83ad656e9
Markdownb2ed0c58d986002234d7dca7212a2c4cde91dddf4e784b4c16d0b4b462190f3a
PDF
Publication pageb2f4c7c49bf19251bcbacf6b27113c6b8966cb25cab40582ae03eeaea09935c9
Manifestd1af2bce59758d5a2703b7adab25c764bb7cf75ab4c4e0ae90f9e21016881cdc

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
SignatureZ/pI0ef0LPVeYN/iDtyqJ+0EcFw/cBVLuZphpZpf3aNhcBCHvRWrtBSAO2zdxxwMYqaAmPAcKGrJtcEowlSuBw==
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

2026-09-17T11:59:08.923791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018648
observed b2f4c7c49bf19251bcbacf6b27113c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.906663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018648/manifest.json
observed d1af2bce59758d5a2703b7adab25c764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.889196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018648/publication.md
observed b2ed0c58d986002234d7dca7212a2c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:08.870357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018648/publication.txt
observed 53ece00ec196646168e3507aa96b5c13...
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.