Pith Number

pith:RFVF73T5

pith:2006:RFVF73T5IVT6RAJMQC772XEEOS

not attested not anchored not stored refs pending

XMM-Newton observations of SN1987A

B. Aschenbach, F. Haberl, Garching), G. Hasinger (MPE, U. Geppert

arxiv:astro-ph/0609475 v1 · 2006-09-18 · 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{RFVF73T5IVT6RAJMQC772XEEOS}

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	2026-07-04T16:59:25.110597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

896a5fee7d4567e8812c80bffd5c84748ace60f5de08b2fa0b2209f7f223e9f3

Aliases

arxiv: astro-ph/0609475 · arxiv_version: astro-ph/0609475v1 · doi: 10.48550/arxiv.astro-ph/0609475 · pith_short_12: RFVF73T5IVT6 · pith_short_16: RFVF73T5IVT6RAJM · pith_short_8: RFVF73T5

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/RFVF73T5IVT6RAJMQC772XEEOS \
  | 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: 896a5fee7d4567e8812c80bffd5c84748ace60f5de08b2fa0b2209f7f223e9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1cd8df32914f0da3b13c82ea0d5ac20eac9d4a6dccc3fbbeb2750ea04fa50e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-18T06:59:10Z",
    "title_canon_sha256": "a0f1c5ffbbccb442597d77b32ad637b0c5cd4572512a0c04186c935a4e40ac48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609475",
    "kind": "arxiv",
    "version": 1
  }
}