Pith Number

pith:RIUBY3Q5

pith:2010:RIUBY3Q57VYOUASQJ7UYXXTDJ6

not attested not anchored not stored refs pending

Fading hard X-ray emission from the Galactic Centre molecular cloud Sgr B2

A. Decourchelle, A. Goldwurm, G. Belanger, G. Ponti, G. Trap, M. R. Morris, R. Terrier, R. Warwick, V. Tatischeff

arxiv:1005.4807 v1 · 2010-05-26 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RIUBY3Q57VYOUASQJ7UYXXTDJ6}

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	2026-05-18T02:07:07.908120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a281c6e1dfd70ea02504fe98bde634f8b401ba73bf2dcb1bd56b83d6298e7fa

Aliases

arxiv: 1005.4807 · arxiv_version: 1005.4807v1 · doi: 10.48550/arxiv.1005.4807 · pith_short_12: RIUBY3Q57VYO · pith_short_16: RIUBY3Q57VYOUASQ · pith_short_8: RIUBY3Q5

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/RIUBY3Q57VYOUASQJ7UYXXTDJ6 \
  | 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: 8a281c6e1dfd70ea02504fe98bde634f8b401ba73bf2dcb1bd56b83d6298e7fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2a2d549cd82e4a5f4f2d738c754c6403539dba23955836265e508aadad35687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-26T13:24:37Z",
    "title_canon_sha256": "0e82bd0f6a636b9ff72feddadf309a6b92828ca0322b3eabc9e33ac618496123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4807",
    "kind": "arxiv",
    "version": 1
  }
}