Pith Number

pith:75CHCJQK

pith:2008:75CHCJQKVBEVKHLJPZNEMHJMVB

not attested not anchored not stored refs pending

NICMOS Measurements of the Near Infrared Background

Daniel Eisenstein, Marcia Rieke, Robert Kennicutt, Rodger I. Thompson, Xiaohui Fan

arxiv:0801.3825 v1 · 2008-01-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75CHCJQKVBEVKHLJPZNEMHJMVB}

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	2026-05-18T04:36:41.516092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4471260aa849551d697e5a461d2ca867c38e0e9c8ebdc42a8eeb96ab8835a8

Aliases

arxiv: 0801.3825 · arxiv_version: 0801.3825v1 · doi: 10.48550/arxiv.0801.3825 · pith_short_12: 75CHCJQKVBEV · pith_short_16: 75CHCJQKVBEVKHLJ · pith_short_8: 75CHCJQK

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/75CHCJQKVBEVKHLJPZNEMHJMVB \
  | 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: ff4471260aa849551d697e5a461d2ca867c38e0e9c8ebdc42a8eeb96ab8835a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65212bb318bd1a4dee4893693822e6b18936737a079c7df76c3270b97b2b70e1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-01-24T19:31:10Z",
    "title_canon_sha256": "eaf7124def8d9752b23b3e83ce29bb17e5f7a6068505ccd9533ea3fe7d04bef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3825",
    "kind": "arxiv",
    "version": 1
  }
}