OpenTechnical

OT-2026-000031774

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000031774) never changes.

Identity and time

Publication numberOT-2026-000031774 · never reused
Internal UUID01a0ae74-bad0-7763-9c89-8d4d4e918f3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031774
StatusPUBLIC

Content hashes

Canonical texte5387a8349068ac23bbf74a059aa2adde5918f1c15fe86a46574d854d6177d00
Markdown7b57e2683027cbaf8bdda2e052ade7c27b06c504ba2186b49765e8cd2cee5136
PDF
Publication page3ed3c6c47ab5d49e58726549226f287c9fe260f468a4f3fcb9b0984470a8ed5c
Manifest312a03710688d9d8cf7d9063d9dad878c70927f4bb45daf8b6646cf376e5e2f3

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
Signatureb6TLvv/i4YCcNN2VX3h1Co9uKYV0C4B8JEkHhODU32ovolJbgKKiZWB+rRs8AaFA4JamcJwShdc+0fjd4bBnAw==
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

2026-09-17T11:34:54.000858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031774
observed 3ed3c6c47ab5d49e58726549226f287c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.984013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031774/manifest.json
observed 312a03710688d9d8cf7d9063d9dad878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.966328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031774/publication.md
observed 7b57e2683027cbaf8bdda2e052ade7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:53.948465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031774/publication.txt
observed e5387a8349068ac23bbf74a059aa2add...
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.