OpenTechnical

OT-2026-000022375

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000022375) never changes.

Identity and time

Publication numberOT-2026-000022375 · never reused
Internal UUID01a0ae6f-f4fd-75e9-9338-6596e56031b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022375
StatusPUBLIC

Content hashes

Canonical text0ab1ed2821cd39a9c633dafe12779a67c2d7324494f36188256dc29b0e53a7cf
Markdown9855b9a2c7e1b5aae0d3276a040935707f4c5f91e2d4d971fd759b7f8c8880b8
PDF
Publication page809f755c90005348d5a379a448483379141503ec867622393af7811d3a3eb8e6
Manifest892597e1d0734ee8d3d92bdd1eb2636892688adbcac7357461cd4ddabddf1eba

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
SignatureQ66q7CHAqILSRhqzhDZ3czRxT/S3140WDg6VlfdIDiDKAFkN642FDLi3iFodLp65AYYS71IzsbHX5I8QZAiuAA==
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

2026-09-17T11:53:44.771200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022375
observed 809f755c90005348d5a379a448483379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.753434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022375/manifest.json
observed 892597e1d0734ee8d3d92bdd1eb26368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.736782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022375/publication.md
observed 9855b9a2c7e1b5aae0d3276a04093570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:44.718963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022375/publication.txt
observed 0ab1ed2821cd39a9c633dafe12779a67...
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.