OpenTechnical

OT-2026-000013083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000013083) never changes.

Identity and time

Publication numberOT-2026-000013083 · never reused
Internal UUID01a0ae6d-5565-7c20-b75c-b5f89078b950 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013083
StatusPUBLIC

Content hashes

Canonical texte767d2c1f818ed12373d47fdb296062c565d7e55ddf44c7e95595814bd5c0045
Markdownb166428d3a55a248d132b909df529f6f3ed2996bdaf21f3026b811632271198c
PDF
Publication pagece5bbd4c37da4c6904d639fda0c9e70b51f6c74c16912e619cf951579cdd01f4
Manifest57768dbdeaaf364ffaba39fa5be4e63ab7e025990d680fa375a947ad777f042a

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
Signature4W1ZtsekXhBlpG1+rg2KRM+v69UzuosHI/DRfoX6HgmtxRWxhafkgKUPZ8cJUVBqwdp4WEKHpuj/fM6TRCRtCA==
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

2026-09-17T12:10:55.716617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013083
observed ce5bbd4c37da4c6904d639fda0c9e70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.699149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013083/manifest.json
observed 57768dbdeaaf364ffaba39fa5be4e63a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.680033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013083/publication.md
observed b166428d3a55a248d132b909df529f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.659863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013083/publication.txt
observed e767d2c1f818ed12373d47fdb296062c...
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.