OpenTechnical

OT-2026-000014194

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum 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-2026-000014194) never changes.

Identity and time

Publication numberOT-2026-000014194 · never reused
Internal UUID01a0ae6d-b279-7bc3-b1e9-d8584be5a4be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014194
StatusPUBLIC

Content hashes

Canonical textb8e4cbbb7c7a04b050cc920779fe21c0b5ecac58de336e698d8ecf1e8f69cde7
Markdownb94a26c9e4522e848b3688eaf9ddac93ad238727ac655f18abfa140a288b4716
PDF
Publication pagee497894c5922673a19809ce5be4a66e26bbde5a21d41626e5a43020e89c36e31
Manifestcc1cffff4f51116d1738b1af64825bc1021a7c1a7212fe06670120296dfa7a29

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
SignatureSnJRA7pkqyaSQqeg9eVfmgUQJAET5ufqb/O5bK4obO30176VUkE6xLoTWA5kfTv0MAdGUFO2UIt8Xc+f4RU9Bw==
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

2026-09-17T12:07:17.682398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014194
observed e497894c5922673a19809ce5be4a66e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.663437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014194/manifest.json
observed cc1cffff4f51116d1738b1af64825bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.643821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014194/publication.md
observed b94a26c9e4522e848b3688eaf9ddac93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.624030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014194/publication.txt
observed b8e4cbbb7c7a04b050cc920779fe21c0...
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.