OpenTechnical

OT-2026-000043471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043471) never changes.

Identity and time

Publication numberOT-2026-000043471 · never reused
Internal UUID01a0ae7b-92ce-775b-bf73-660b74813337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043471
StatusPUBLIC

Content hashes

Canonical text3dff081c0b2608b9f10ef00d5d71ec21bf0c1e3f4f36cb18e848ba1f487366bc
Markdownff876ae9119404679ca8962822ab21a9b05db6960f0090a0cdd85c01a3b8d2e7
PDF
Publication pagea61fa4da20beb613739099a443487795cd06f5496253c06da34a03b4d5c625b1
Manifest3269ef831a859b88b9d98940c7a8c6556f720c8c118c4795c7829b1372b9f980

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
SignatureoTk366ml3QZlPl2J9p2WFe/GcFt56DPvJ0tE1JpLCGUMVn3NfKm0EmpwRR3ly9PpNF4csZ9N+QlsnqW+qLH8Bw==
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

2026-09-17T11:12:49.565348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043471
observed a61fa4da20beb613739099a443487795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.546880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043471/manifest.json
observed 3269ef831a859b88b9d98940c7a8c655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.528111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043471/publication.md
observed ff876ae9119404679ca8962822ab21a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:49.507018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043471/publication.txt
observed 3dff081c0b2608b9f10ef00d5d71ec21...
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.