OpenTechnical

OT-2026-000051100

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000051100) never changes.

Identity and time

Publication numberOT-2026-000051100 · never reused
Internal UUID01a0ae82-c7b6-7a4e-adaa-33f244cca044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051100
StatusPUBLIC

Content hashes

Canonical textfb2834bc1c2121576e6da52875dcd395dbe7c1142a41cad2a01b70b00597e738
Markdown48da0681b67fd5144cba36ceee542775e4d074c510d1d14574b60ccfff4b84d0
PDF
Publication page2abf31b7490a0570aefaf1f05c7f8babcb1459f91c431934437ec8fe26d437a7
Manifest5a0ad29fd52c1e6cb1fc27c7f16b2deb985a5575c46a3aeef620be726785c916

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
Signature9QKjUiTJ+HgY4oytBJENGwyqV/C1is85Ko2ktlWU7x5Jmjft8b6YfmeLCNQq2qNkKsjkZBRT33ExWf1/zZVKBw==
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

2026-09-17T11:01:02.529459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051100
observed 2abf31b7490a0570aefaf1f05c7f8bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.509984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051100/manifest.json
observed 5a0ad29fd52c1e6cb1fc27c7f16b2deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.489481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051100/publication.md
observed 48da0681b67fd5144cba36ceee542775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.466819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051100/publication.txt
observed fb2834bc1c2121576e6da52875dcd395...
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.