OpenTechnical

OT-2026-000033782

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off 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-2026-000033782) never changes.

Identity and time

Publication numberOT-2026-000033782 · never reused
Internal UUID01a0ae75-a391-74c5-8539-8473d7c75a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033782
StatusPUBLIC

Content hashes

Canonical text2a4ccb4adf33e3e417d65f1e5c1ddfd02f217e0b9372ed5abab3e89ad6f56c45
Markdownad7030adf88c9bea09fe9209c3d35e9ad87a957782e126a7c26f73fdb459cfb7
PDF
Publication page39fffdab9ecca4f4a57923035f3e8e57a9b727936fab0a72aa2a13ff5456b89e
Manifestf26315aac4cae73aa6bc78e97b24a44caf73fc5746b6dae8e48cd5d695d724f6

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
Signature6Uy2mJc3DHOriYZ1+f13+QBHM2HWUAgsOCNZDJxEXxdCAx7Q/44iW8204fbVZ0L/38WfhPGndYILq0jxMpWOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:49.219798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033782
observed 39fffdab9ecca4f4a57923035f3e8e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.200099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033782/manifest.json
observed f26315aac4cae73aa6bc78e97b24a44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.181659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033782/publication.md
observed ad7030adf88c9bea09fe9209c3d35e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:49.159021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033782/publication.txt
observed 2a4ccb4adf33e3e417d65f1e5c1ddfd0...
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.