Pith Number

pith:PWOISG5N

pith:2003:PWOISG5N5L3ZZIBF33PE6XC4DR

not attested not anchored not stored refs pending

High Resolution mid-Infrared Imaging of SN 1987A

C.M. Telesco, C. Packham, I.J. Danziger, J.M. De Buizer, N.B. Suntzeff, P. Bouchet, T.L. Hayward

arxiv:astro-ph/0312240 v2 · 2003-12-09 · 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{PWOISG5N5L3ZZIBF33PE6XC4DR}

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	2026-07-04T16:37:57.891252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d9c891badeaf79ca025dede4f5c5c1c445cf524929eda52bcb371972d21c5c3

Aliases

arxiv: astro-ph/0312240 · arxiv_version: astro-ph/0312240v2 · doi: 10.48550/arxiv.astro-ph/0312240 · pith_short_12: PWOISG5N5L3Z · pith_short_16: PWOISG5N5L3ZZIBF · pith_short_8: PWOISG5N

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/PWOISG5N5L3ZZIBF33PE6XC4DR \
  | 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: 7d9c891badeaf79ca025dede4f5c5c1c445cf524929eda52bcb371972d21c5c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60bc42d4dfe624631e51803a46b5805c0067d59cb194f539732912a10b1b2c21",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-09T16:02:55Z",
    "title_canon_sha256": "8609610598cdf26f9efbcf01f3be6779da4f5b1d9faea9b7dd6af47195153ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312240",
    "kind": "arxiv",
    "version": 2
  }
}