OpenTechnical

OT-2026-000064646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000064646) never changes.

Identity and time

Publication numberOT-2026-000064646 · never reused
Internal UUID01a0ae8d-deb8-7e2f-91e2-c25977991212 · 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-2026-000064646
StatusPUBLIC

Content hashes

Canonical textfb61ed1d41200e3bf6c7a14a7b4b5c70fcfaccf7636ef6577cac43c78c269fe1
Markdownd3e58c7ec1fe717189529a643d25db07d40acb579f09f2d711ea97e64c57613d
PDF
Publication page0b33028f91a72ad65fe5e9322fb6b416c4d3cd70d369a19922a3fd7ef4537e72
Manifesta9407e02717314c87a53e4f82108649073cdca543c4a903debad140340dcee75

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
SignatureTcHKrVFWpWyw8VYErq1LPG2oOyE4kfrMOmw2iqHGsL2NvzGnspi7ROMI6DWNV6CTNSaUtC0JGPskf/ThvQx8AQ==
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

2026-09-17T10:35:25.935512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064646
observed 0b33028f91a72ad65fe5e9322fb6b416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.918039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064646/manifest.json
observed a9407e02717314c87a53e4f821086490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.901360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064646/publication.md
observed d3e58c7ec1fe717189529a643d25db07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:25.883031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064646/publication.txt
observed fb61ed1d41200e3bf6c7a14a7b4b5c70...
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.