Pith Number

pith:SUSBDTYK

pith:1998:SUSBDTYKCFG326FGWXKAHWQ5P6

not attested not anchored not stored refs pending

The Spectrum of the Extragalactic Far Infrared Background from the COBE Firas Observations

C.L. Bennett, D.J. Fixsen, E. Dwek, J.C. Mather, R.A. Shafer (NASA/GSFC)

arxiv:astro-ph/9803021 v1 · 1998-03-03 · 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{SUSBDTYKCFG326FGWXKAHWQ5P6}

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	2026-07-04T15:20:15.791053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

952411cf0a114dbd78a6b5d403da1d7fa0282c0b77a1d9aefc5f58dd158239d9

Aliases

arxiv: astro-ph/9803021 · arxiv_version: astro-ph/9803021v1 · doi: 10.48550/arxiv.astro-ph/9803021 · pith_short_12: SUSBDTYKCFG3 · pith_short_16: SUSBDTYKCFG326FG · pith_short_8: SUSBDTYK

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/SUSBDTYKCFG326FGWXKAHWQ5P6 \
  | 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: 952411cf0a114dbd78a6b5d403da1d7fa0282c0b77a1d9aefc5f58dd158239d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde76c0edcab27f594eb11fb25f2cc9e08d8dd9c5065591b93e50d18a1c9eb2c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-03T18:51:17Z",
    "title_canon_sha256": "b58dca65585b8d737bfa912f4676ebcac6eadff223f4e9703e4efbcb4467eee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803021",
    "kind": "arxiv",
    "version": 1
  }
}