OpenTechnical

OT-2026-000038114

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000038114) never changes.

Identity and time

Publication numberOT-2026-000038114 · never reused
Internal UUID01a0ae77-f88b-747c-9664-6e2d396655a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038114
StatusPUBLIC

Content hashes

Canonical text8572dac1eacc3d624fbf66ed05b8b0ab9a92824552b0acfc918058f2a2cdb6b7
Markdownf1273cd8a25b7585fd8099be333581d263e704fcb4251a7c8bd342c1dd9782e9
PDF
Publication pagee1294220ad33f42b2a1a8edc95ce6551b74a43cc8c1d20f6129d6251f852a3ec
Manifest93bc24857bb7678ee12d3ee7cc72d688f815d3369b2ea79de1404071f848a0d5

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
SignatureKsFIj0wbkXIidBOReyhM4sfzxkl0FZKy9a/jW1wI7Cn72qzU3K8eNMuXsz0tveFzmq9SwXzKKirktuCinUKSDA==
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

2026-09-17T11:23:27.214308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038114
observed e1294220ad33f42b2a1a8edc95ce6551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.194548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038114/manifest.json
observed 93bc24857bb7678ee12d3ee7cc72d688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.175817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038114/publication.md
observed f1273cd8a25b7585fd8099be333581d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.155759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038114/publication.txt
observed 8572dac1eacc3d624fbf66ed05b8b0ab...
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.