OpenTechnical

OT-2026-000064651

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000064651) never changes.

Identity and time

Publication numberOT-2026-000064651 · never reused
Internal UUID01a0ae8d-deb8-7456-8d63-5c37128f0f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064651
StatusPUBLIC

Content hashes

Canonical text058369f35006068eb5799b0ab89c672ef3df1401d41c8156298ec5300ebf0d8d
Markdown20b7e41a7ac50c7f2a61c560119a8704b822d0378fcc20528f7e2f644b130ad3
PDF
Publication pagee1dbb9b20c4739585737b949d9db2e26130316bb7500e18cae4fbeebff4dbf43
Manifest8c546f312ef9a87e8a3a5a9f5e3dc670a68000c380d3b19cf9499dcab0af2d6e

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
Signatureb2rVuj376iP57CUmPC/kSFsOIkpofFMBKluR3zY6xtXNy/aObP6ZejBEcQi2puFMhWk6ULiqvKnKcwvduK7IBA==
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

2026-09-17T10:35:26.309986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064651
observed e1dbb9b20c4739585737b949d9db2e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.289657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064651/manifest.json
observed 8c546f312ef9a87e8a3a5a9f5e3dc670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.270737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064651/publication.md
observed 20b7e41a7ac50c7f2a61c560119a8704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:26.250948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064651/publication.txt
observed 058369f35006068eb5799b0ab89c672e...
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.