OpenTechnical

OT-2026-000089004

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089004) never changes.

Identity and time

Publication numberOT-2026-000089004 · never reused
Internal UUID01a0ae9b-8f12-73b5-bdac-19fd02af3ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089004
StatusPUBLIC

Content hashes

Canonical textbf85d1a1d90182bc53f9f369bb470891282080ea00edf277b61a41a3edc5962e
Markdownf99b4df32958565bf4e556da6c8c8b3797bb033f0604021056dc8786c90f566e
PDF
Publication pagee2c05239244ec09a6e84297955b986262c39828fe54830c2ec3bf926e38bd83a
Manifest99034c0ef8481e1c0987760fb78982383798b7ccb2015e1d0d73528d62f4bca5

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
Signatureyf1intbnnyAkGubIItDiz+/ZqGX4dggohPH5EFE4wOBt3vpUidx9SoV0LwUukmty3UfzwC/GxkwvjMwCls7rAg==
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

2026-09-17T09:48:30.416159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089004
observed e2c05239244ec09a6e84297955b98626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.399852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089004/manifest.json
observed 99034c0ef8481e1c0987760fb7898238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.383086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089004/publication.md
observed f99b4df32958565bf4e556da6c8c8b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:30.365531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089004/publication.txt
observed bf85d1a1d90182bc53f9f369bb470891...
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.