Pith Number

pith:2KB2SPAX

pith:2011:2KB2SPAXDHID5W6WXUPBEJMQS6

not attested not anchored not stored refs pending

The nature of the X-ray transient MAXI J0556-332

D. Steeghs, G. Israel, J. Casares, K. O'Brien, L. Stella, M. A. P. Torres, P. A. Charles, P. D'Avanzo, R. Cornelisse, S. Campana, T. Mu\~noz-Darias

arxiv:1111.6946 v1 · 2011-11-29 · 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{2KB2SPAXDHID5W6WXUPBEJMQS6}

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	2026-05-18T01:59:21.771743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d283a93c1719d03edbd6bd1e12259097b1ba4256d8dc9a56f9cb2513021ef96e

Aliases

arxiv: 1111.6946 · arxiv_version: 1111.6946v1 · doi: 10.48550/arxiv.1111.6946 · pith_short_12: 2KB2SPAXDHID · pith_short_16: 2KB2SPAXDHID5W6W · pith_short_8: 2KB2SPAX

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/2KB2SPAXDHID5W6WXUPBEJMQS6 \
  | 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: d283a93c1719d03edbd6bd1e12259097b1ba4256d8dc9a56f9cb2513021ef96e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "774cfe2a4b8b8aee3bccb4341f7c1e35d2c7831924d4ea44cffbde6c5efd4d22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-11-29T19:44:54Z",
    "title_canon_sha256": "a5bc464c7fdc9e3f686bcdb2ce93f649e57406bf13c2283ebf14be831505a01f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6946",
    "kind": "arxiv",
    "version": 1
  }
}