OpenTechnical

OT-2026-000006664

Publication integrity record

Vacuum cup gripper, three stage ejector, vented after set down, rubber cups, oval form

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-2026-000006664) never changes.

Identity and time

Publication numberOT-2026-000006664 · never reused
Internal UUID01a0a963-28ca-7478-af57-bc707c9be591 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:03.148567Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006664
StatusPUBLIC

Content hashes

Canonical textdf12dbc5f57938c518c9bd550473664ab06db0c4ffa46fd3adc012d28a0bf7ff
Markdown15668368bce76af8ad3d421b247ebfad03fa2b581a37bc498f2ed022a74bcb1d
PDF
Publication page05299f68a4115bab770adab3c03a86275add0f61f924cd5ffc02e22591a7aac1
Manifestbb86ff0fb0587b7612f2737742a03d3b57b708bafdc7f7720082df95d26ead8c

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
SignatureDaMO7YzCEyWToM5Yua1oFgHFyZvXXdEoH3YnP2c+4ARgtEktOsZ0uHfiCRSu/snJmE5avP5GKsttbVS0L6hjDQ==
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

2026-09-16T16:41:58.669022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664
observed 05299f68a4115bab770adab3c03a8627...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:58.500270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/manifest.json
observed bb86ff0fb0587b7612f2737742a03d3b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:58.362099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/publication.md
observed 15668368bce76af8ad3d421b247ebfad...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:58.220391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/publication.txt
observed df12dbc5f57938c518c9bd550473664a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.728220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664
observed 05299f68a4115bab770adab3c03a8627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.714164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/manifest.json
observed bb86ff0fb0587b7612f2737742a03d3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.701116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/publication.md
observed 15668368bce76af8ad3d421b247ebfad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.689211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006664/publication.txt
observed df12dbc5f57938c518c9bd550473664a...
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.