Pith Number

pith:5PERTHF3

pith:1998:5PERTHF3ZCMO2D3DNTTHDD5NTG

not attested not anchored not stored refs pending

Isocam deep surveys unveiling star formation in the mid-infrared

A. Franceschini, C. J. Cesarsky, D. Elbaz, D. Fadda, F. X. Desert, H. Aussel, J. L. Puget, J. L. Starck

arxiv:astro-ph/9807209 v2 · 1998-07-20 · 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{5PERTHF3ZCMO2D3DNTTHDD5NTG}

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	2026-07-04T14:48:54.046551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc9199cbbc898ed0f636ce6718fad9993d2012aea2092da3db40841b3b579ed

Aliases

arxiv: astro-ph/9807209 · arxiv_version: astro-ph/9807209v2 · doi: 10.48550/arxiv.astro-ph/9807209 · pith_short_12: 5PERTHF3ZCMO · pith_short_16: 5PERTHF3ZCMO2D3D · pith_short_8: 5PERTHF3

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/5PERTHF3ZCMO2D3DNTTHDD5NTG \
  | 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: ebc9199cbbc898ed0f636ce6718fad9993d2012aea2092da3db40841b3b579ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7d37b112bb4bc90071f7e854a1f4c06f40131967fb4818e169776d61d97f5d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-20T22:43:49Z",
    "title_canon_sha256": "06adeedb4e9bbadb19bd6710678f0abde53f1ac20a3c576ae312c0bad9676072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807209",
    "kind": "arxiv",
    "version": 2
  }
}