Pith Number

pith:RPZ7C32Z

pith:2001:RPZ7C32Z3IZFI6HV4QLJFBKTXR

not attested not anchored not stored refs pending

The Cosmic Infrared Background at 1.25 microns and 2.2 microns using DIRBE and 2MASS: a contribution not due to galaxies ?

C.A. Beichman, L. Cambresy, T.H. Jarrett, W.T. Reach

arxiv:astro-ph/0103078 v1 · 2001-03-05 · 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{RPZ7C32Z3IZFI6HV4QLJFBKTXR}

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	2026-07-04T16:22:49.683197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf3f16f59da325478f5e416928553bc576034361ad17f1a6f20dad5cc6906c0

Aliases

arxiv: astro-ph/0103078 · arxiv_version: astro-ph/0103078v1 · doi: 10.48550/arxiv.astro-ph/0103078 · pith_short_12: RPZ7C32Z3IZF · pith_short_16: RPZ7C32Z3IZFI6HV · pith_short_8: RPZ7C32Z

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/RPZ7C32Z3IZFI6HV4QLJFBKTXR \
  | 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: 8bf3f16f59da325478f5e416928553bc576034361ad17f1a6f20dad5cc6906c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79e63c4216c84418115b5f31e7c7d021a067d7d23fc231ef73903c522f534b3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-05T18:10:55Z",
    "title_canon_sha256": "dae71c7ce0adb2e5f1f074c05405bcf401f767acba0ce7534a6ebcf1e0c3f7e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103078",
    "kind": "arxiv",
    "version": 1
  }
}