OpenTechnical

OT-2026-000005897

Publication integrity record

Vacuum cup gripper, three zone face, plant vacuum fed, 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-2026-000005897) never changes.

Identity and time

Publication numberOT-2026-000005897 · never reused
Internal UUID01a0a948-7d8e-7f12-aeec-901f4c496820 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:55.376781Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005897
StatusPUBLIC

Content hashes

Canonical text23a4aca9df6e11636c85f90a5f2143607d8755451a9474b7f78fb319005997d6
Markdown8bcd49dd9025289e3ee450f2807a5706e16f2cdbd3552a398f2444eb1c10426f
PDF
Publication page99223ee9b9a535e2f38149af4ae25e44b8a59a46f70785b65cfa366e46805196
Manifestfbe6a27a69ead3d75d0110a881746b950db70266418ee83905d510aa702a1efd

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
Signature+mVsEYt0IIOWT+upwim1t3/ZmCiq5si4JDKZHUnq2/fBPvgs1MbNpf+AzVP5p7sIVbgH3oHotU/pmZKaMSibCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:20.157433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005897
observed 99223ee9b9a535e2f38149af4ae25e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.142092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005897/manifest.json
observed fbe6a27a69ead3d75d0110a881746b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:20.124681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005897/publication.md
observed 8bcd49dd9025289e3ee450f2807a5706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:19.993132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005897/publication.txt
observed 23a4aca9df6e11636c85f90a5f214360...
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.