OpenTechnical

OT-2026-000031787

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000031787) never changes.

Identity and time

Publication numberOT-2026-000031787 · never reused
Internal UUID01a0ae74-bad1-704c-88ac-d971b768ebf6 · 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-2026-000031787
StatusPUBLIC

Content hashes

Canonical textffecb83ae36af79a7aaf2e0f53c585e77b0a246ec0190956665fc58b91ee8255
Markdownde35322a8a443ded55b98ee8f8ceb38dd3885ba65fd2f3454aad3dcd0f8ae273
PDF
Publication pagef7f594a82dd901eae29e4c740fdde11f8c9291a735fc2d6c85bf316bf9ddd620
Manifestaff7ae5611d1030b3d361703b295c15a2aceef94a0bc33dd3cd03deccbd6399d

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
SignaturejM5WmsSynQV5ipoRt0Nw5bY8Z3E+VZ0ms7MhfLWyv+Jc/zaMNReklEJmziciufrr4mSIkgPoJGAnsFdwRd3rCA==
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

2026-09-17T11:34:55.001309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031787
observed f7f594a82dd901eae29e4c740fdde11f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.981870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031787/manifest.json
observed aff7ae5611d1030b3d361703b295c15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.963590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031787/publication.md
observed de35322a8a443ded55b98ee8f8ceb38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.947026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031787/publication.txt
observed ffecb83ae36af79a7aaf2e0f53c585e7...
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.