OpenTechnical

OT-2026-000028537

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000028537) never changes.

Identity and time

Publication numberOT-2026-000028537 · never reused
Internal UUID01a0ae72-e2f8-7971-9ba9-97fa1bfe1fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028537
StatusPUBLIC

Content hashes

Canonical textb5183fe0b9f21d2bd8b2f139b6cc7ae17a9a03632a5f7831da276fedff9b2d0e
Markdownd89a39afee44e3c80b52bdabef62b68373a3ce1d0db83a7209681da7977031b9
PDF
Publication pagea618f1cb6646e7bd0d04058718553c5f86ee1806681aede556c4be909ba5458b
Manifestb0b135fea43181c7471f7bf2dfac0ff07e283a99f2784262ccb8e1a4e0b6c42a

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
SignatureKDAfm+PrSc/4JxE9S9xtivbYbKN0K1ivGEOaOgx48cFPqXSluH+xA3Av0MsTX8rWbDU0k78bF8FT8LsTn1S8Dg==
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

2026-09-17T11:40:48.733602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028537
observed a618f1cb6646e7bd0d04058718553c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.714949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028537/manifest.json
observed b0b135fea43181c7471f7bf2dfac0ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.695811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028537/publication.md
observed d89a39afee44e3c80b52bdabef62b683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:48.677007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028537/publication.txt
observed b5183fe0b9f21d2bd8b2f139b6cc7ae1...
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.