OpenTechnical

OT-2026-000003727

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, pressure verified, polyurethane cups, oval form

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-2026-000003727) never changes.

Identity and time

Publication numberOT-2026-000003727 · never reused
Internal UUID01a0a90a-e104-759d-a789-6b39f50a3b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:37.607657Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003727
StatusPUBLIC

Content hashes

Canonical textab598d9780edcf940bb4e6af46406376c2531e76cc31dcde4afbf0d0814d42e5
Markdowna7104b33ac3a7048b8ce41cf8665567f763468854d39a3bc02d8b39ab6cd2cc6
PDF
Publication pagefde076dd6510acc5dabf72042d58faf7985c1aa1c95d13bfec4512b5a004baf3
Manifest340a5ba3d347d3daae913a318acdac44e68a2436dc03ae5306bf04a387add56a

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
SignatureTKQmweEI3NSkBq/smtMxAQkMIwl82jZsgeMMXY2bRhKmNzU50RZ6ZudLvuTRfseyuHokxAs+P9PhbxvWt46ICQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:34.687097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003727
observed fde076dd6510acc5dabf72042d58faf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.673548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003727/manifest.json
observed 340a5ba3d347d3daae913a318acdac44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.660690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003727/publication.md
observed a7104b33ac3a7048b8ce41cf8665567f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:34.649325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003727/publication.txt
observed ab598d9780edcf940bb4e6af46406376...
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.