OpenTechnical

OT-2026-000077582

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, vented after set-down, on a tool changer

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-2026-000077582) never changes.

Identity and time

Publication numberOT-2026-000077582 · never reused
Internal UUID01a0ae95-2ece-7ca8-a707-12219df9fd35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077582
StatusPUBLIC

Content hashes

Canonical text6867c7b59948a16b78c26ddcdb6e996866b4a4ddd5e3a47c511bf1e3823b8cf3
Markdown735556d480a3ceab465e3dc11dca559b5de898c5bde457ffb810965c4c8f39bd
PDF
Publication page9c5467452182fc1c4a540f4b1b5bf37e46be13d44d9f41af5deeb990afe55381
Manifestbdbf2649948c665b61be80d65a9c3c326463b9a0b87fd70e34ca6447c3636632

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
Signature0bQ3ZrDxauf6o+A1zdRdXFv+g7+d7FleFsuJ/RgG4Ll2gsGxc5PoYUKWWsciotKvxl08FAVqx2xymWZYLTSfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:53.798454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077582
observed 9c5467452182fc1c4a540f4b1b5bf37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.779374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077582/manifest.json
observed bdbf2649948c665b61be80d65a9c3c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.758194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077582/publication.md
observed 735556d480a3ceab465e3dc11dca559b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:53.738103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077582/publication.txt
observed 6867c7b59948a16b78c26ddcdb6e9968...
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.