OpenTechnical

OT-2026-000005658

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, pressure verified

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-2026-000005658) never changes.

Identity and time

Publication numberOT-2026-000005658 · never reused
Internal UUID01a0a940-7c14-73ff-85d6-5b324114dca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:10.711423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005658
StatusPUBLIC

Content hashes

Canonical text44a888ada72e75c6a3e4743b09348ae0b161dd6c3330a3e2e7a78f0928547004
Markdown6b302660399c24560f383dd59bc84958ed08352f9a29e3bdca3373344e129c51
PDF
Publication page5d19888b52ce3ae7c788557c417446ec6c2f39fa344a3c9706810650f71380a4
Manifestf9dc25ad8914c219c0c46135deeb5a508fb681f5c40ff114ccc5e303e63ca08f

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
SignatureA6o1FCBHTUu1DMyl+qFhOM7vTWWM/6rs/Rk6nPeETeLMX/mVVY2+rBZf32oKiC1QlSj6yldASISF8tfsStXJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:15.241919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005658
observed 5d19888b52ce3ae7c788557c417446ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.226531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005658/manifest.json
observed f9dc25ad8914c219c0c46135deeb5a50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.212257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005658/publication.md
observed 6b302660399c24560f383dd59bc84958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:15.199634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005658/publication.txt
observed 44a888ada72e75c6a3e4743b09348ae0...
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.