OpenTechnical

OT-2026-000071836

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000071836) never changes.

Identity and time

Publication numberOT-2026-000071836 · never reused
Internal UUID01a0ae92-1e92-7b41-987b-602a04fda42e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071836
StatusPUBLIC

Content hashes

Canonical text4a1bbc28301120b5bdd822d38914db4ab1893387eccb1d966c2b5b6af584eeb6
Markdowna210cbae4c2c8c8912358b0f116a0f7b25ae2f77b2dbcd54856552ca921b1dc3
PDF
Publication paged9776c82b45779ac850d49f62b844f1b3d2943bff4f3dfd4b5d01d6dfbc677ad
Manifest8cca686871fc239c67c34523cc3fdb3ddee1b92bb9c09f3ec085b7198f8707fd

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
SignatureRoep9A6iM8l9EfCH+owY5VZnKeuMZgwusuOjGmG0LzfI/S5yjSrBnQKdBf/Tw9ul52iK7xHu/C55T9E38IbuDQ==
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

2026-09-17T10:24:00.797983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071836
observed d9776c82b45779ac850d49f62b844f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.774403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071836/manifest.json
observed 8cca686871fc239c67c34523cc3fdb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.758279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071836/publication.md
observed a210cbae4c2c8c8912358b0f116a0f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.738728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071836/publication.txt
observed 4a1bbc28301120b5bdd822d38914db4a...
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.