OpenTechnical

OT-2026-000005651

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, contact triggered, polyurethane cups

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-2026-000005651) never changes.

Identity and time

Publication numberOT-2026-000005651 · never reused
Internal UUID01a0a940-435f-7226-8e6b-67969793e4d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:56.194278Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005651
StatusPUBLIC

Content hashes

Canonical texte50ee7f85caf45c953f6bff09902b827e74927a793d2fb0e2dbec81a80f4dca9
Markdown15e82e2642f5f1e6df6580c4134884d9a248ecb8b66ad8eb692a622ae784d921
PDF
Publication paged7b5bacfc12b9e4ce6191a009358ab5dd0e4699f15d340748d1ab623efc36084
Manifestb350e9258cc6d9a052d73b813aeeca5c8fcbc4ed1e13ec01a6db2f30a2e7bcb6

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
SignatureKdcGK8zpkhXYjjETxXDvzO4JGDWuPcttOPVm01N/wmzV5we7ZaOs0Crx8hZM3/s7RBPtpeRXxAnEZnmaJ23tDQ==
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

2026-09-16T08:10:16.176205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005651
observed d7b5bacfc12b9e4ce6191a009358ab5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.160536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005651/manifest.json
observed b350e9258cc6d9a052d73b813aeeca5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.144473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005651/publication.md
observed 15e82e2642f5f1e6df6580c4134884d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:16.126515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005651/publication.txt
observed e50ee7f85caf45c953f6bff09902b827...
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.