Pith Number

pith:ZG6Z5SSP

pith:2014:ZG6Z5SSPSMHDEPPMTZR2FY6S3R

not attested not anchored not stored refs pending

Sparse Representation of Photometric Redshift PDFs: Preparing for Petascale Astronomy

M. Carrasco Kind, R. J. Brunner (Department of Astronomy, University of Illinois at Urbana-Champaign)

arxiv:1404.6442 v1 · 2014-04-25 · astro-ph.IM · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZG6Z5SSPSMHDEPPMTZR2FY6S3R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:43:23.234517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9bd9eca4f930e323dec9e63a2e3d2dc721675c368f99aff10ed14848649f035

Aliases

arxiv: 1404.6442 · arxiv_version: 1404.6442v1 · doi: 10.48550/arxiv.1404.6442 · pith_short_12: ZG6Z5SSPSMHD · pith_short_16: ZG6Z5SSPSMHDEPPM · pith_short_8: ZG6Z5SSP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZG6Z5SSPSMHDEPPMTZR2FY6S3R \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c9bd9eca4f930e323dec9e63a2e3d2dc721675c368f99aff10ed14848649f035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51b6dfe7c756ab79bba9fa594065800b384202659b7b4fac0b21372ad0b63ca4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-04-25T14:54:07Z",
    "title_canon_sha256": "3fa44b4cd242204e587954b6d9892f670b89be65ac5c6be70e8b01843e045f09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6442",
    "kind": "arxiv",
    "version": 1
  }
}