OpenTechnical

OT-2026-000098693

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000098693) never changes.

Identity and time

Publication numberOT-2026-000098693 · never reused
Internal UUID01a0aea2-42ae-7263-9028-2992254d2a61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098693
StatusPUBLIC

Content hashes

Canonical text642b99f6b4490db33a45bf777336af5c8b50b5b3e86611de335c841da91c36ab
Markdown44c8226ed827fd4e7e29f169aa138616ecdbb7ea400e756fb675861afb0d8bc3
PDF
Publication pageecdd69423113d5fa08fa11e4e3c34dcfb28c68a09f3a4f9e7fb86462da40762e
Manifest9ed9a80b7439057c4ca943cee20fe5ac3e4ebf62409002b291ba8dbf408dd027

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
Signature7elVtEYUYP4nYk7qjH/btIOw5f291YvGzidsAE1xraImbGGWntTS58tEBz/GcimzHDzyeSVUTNTHvXYX8KrpBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.795630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098693
observed ecdd69423113d5fa08fa11e4e3c34dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.777823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098693/manifest.json
observed 9ed9a80b7439057c4ca943cee20fe5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.759994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098693/publication.md
observed 44c8226ed827fd4e7e29f169aa138616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.743286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098693/publication.txt
observed 642b99f6b4490db33a45bf777336af5c...
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.