OpenTechnical

OT-2026-000015350

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump 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-2026-000015350) never changes.

Identity and time

Publication numberOT-2026-000015350 · never reused
Internal UUID01a0ae6d-ef49-7d17-aead-7c05feccba1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015350
StatusPUBLIC

Content hashes

Canonical textebc7d59af742105f24b8d3db1802c0e7323faae39c38daac71703226e3cf93e0
Markdownb95973b7180d7b34be5e3993fefc71a7bc6b4c08ec4bfc3e3214e9498c511847
PDF
Publication page947c7618c4049deca3944ed6dcc6fd4d01537334df1da1ad1f33367a12f56ac6
Manifest6ad797561bc4d8db9e8d05b1e464006674af4284567842a100596d036bb171fd

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
SignatureTFsshrHswNe1J4sNLg4lqcMaMKMqeGkV77o4CoLn9xaX+hI5PfYWTIGfpvAIrcLytIN8ireSiwCavAUIpLAvDg==
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

2026-09-17T12:06:03.368205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015350
observed 947c7618c4049deca3944ed6dcc6fd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.348564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015350/manifest.json
observed 6ad797561bc4d8db9e8d05b1e4640066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.329773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015350/publication.md
observed b95973b7180d7b34be5e3993fefc71a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:03.309579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015350/publication.txt
observed ebc7d59af742105f24b8d3db1802c0e7...
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.