Pith Number

pith:2C74XB5E

pith:2016:2C74XB5ECAYS6DGV3UZYUYYQSY

not attested not anchored not stored refs pending

Extragalactic Background Light: Measurements and Applications

Asantha Cooray

arxiv:1602.03512 v1 · 2016-02-10 · 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{2C74XB5ECAYS6DGV3UZYUYYQSY}

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	2026-05-18T01:20:59.761106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0bfcb87a410312f0cd5dd338a6310960340d90b922cea13dbcfbf01ec3df5ec

Aliases

arxiv: 1602.03512 · arxiv_version: 1602.03512v1 · doi: 10.48550/arxiv.1602.03512 · pith_short_12: 2C74XB5ECAYS · pith_short_16: 2C74XB5ECAYS6DGV · pith_short_8: 2C74XB5E

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/2C74XB5ECAYS6DGV3UZYUYYQSY \
  | 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: d0bfcb87a410312f0cd5dd338a6310960340d90b922cea13dbcfbf01ec3df5ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa44e6e7426acfa1ae60e4e6731164ea6eb9c74e47dd1bce332c6cf857dfda4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-02-10T20:47:31Z",
    "title_canon_sha256": "1eb9dc47d3189ec69c59b3b95c08e3b99a9b18065c5107226f94561dd6ccd5e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03512",
    "kind": "arxiv",
    "version": 1
  }
}