OpenTechnical

OT-2026-000006605

Publication integrity record

Vacuum cup gripper, three zone face, two stage ejector, vented before set down, rubber 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-2026-000006605) never changes.

Identity and time

Publication numberOT-2026-000006605 · never reused
Internal UUID01a0a961-18a9-79ca-b507-17ddd9d7fa56 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:41:47.949693Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006605
StatusPUBLIC

Content hashes

Canonical text6cd2c12db52344efe51465de19d1d13154bab544b23077af3dc58109adb8ef29
Markdown138d64eeb8421006ccbbd2806053f86613ae414d229140ffd92bcac250933932
PDF
Publication page79290f88a2f2187fa1fabb0bcffc738331fde9ca8d75c53a62e36671a98e2adc
Manifest80a4de8e9c70539991444d418c113fe46b72565e0af707d9860b069d246552ea

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
SignaturelfJLJRcIhA3zksI2Rpq5LitR/NMFmCfCszSqfCSp/KuhJhvVwJPnYSSXsr05kOPouqFUDTIr24+JEGihqTR1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:26.142978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006605
observed 79290f88a2f2187fa1fabb0bcffc7383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:26.128891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006605/manifest.json
observed 80a4de8e9c70539991444d418c113fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.988718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006605/publication.md
observed 138d64eeb8421006ccbbd2806053f866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:25.974922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006605/publication.txt
observed 6cd2c12db52344efe51465de19d1d131...
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.