Pith Number

pith:6Z4WOPKD

pith:2001:6Z4WOPKDRY3S3ZOQZXFTTKV2DX

not attested not anchored not stored refs pending

A Long-Wavelength View on Galaxy Evolution from Deep Surveys by the Infrared Space Observatory

A. Franceschini, C.J. Cesarsky, D. Elbaz, D. Fadda, H. Aussel

arxiv:astro-ph/0108292 v2 · 2001-08-17 · 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{6Z4WOPKDRY3S3ZOQZXFTTKV2DX}

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	2026-07-04T15:46:55.648014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f679673d438e372de5d0cdcb39aaba1deaecf03592e042dcfe605ffa7de73feb

Aliases

arxiv: astro-ph/0108292 · arxiv_version: astro-ph/0108292v2 · doi: 10.48550/arxiv.astro-ph/0108292 · pith_short_12: 6Z4WOPKDRY3S · pith_short_16: 6Z4WOPKDRY3S3ZOQ · pith_short_8: 6Z4WOPKD

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/6Z4WOPKDRY3S3ZOQZXFTTKV2DX \
  | 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: f679673d438e372de5d0cdcb39aaba1deaecf03592e042dcfe605ffa7de73feb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5733145137ef1d3a6efbc6ff7a18ec6032d5ba2b33b928c26eb5c0b19d908485",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-08-17T15:45:09Z",
    "title_canon_sha256": "79233998232531c6fa4955eb5ca0b68ea45550fc8afa2059e1785c9ed4a359ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0108292",
    "kind": "arxiv",
    "version": 2
  }
}