Pith Number

pith:I7HAID7D

pith:2011:I7HAID7DDV6T7HYHMTY6SWBP5F

not attested not anchored not stored refs pending

Spectro-timing analysis of Cygnus X-1 during a fast state transition

Guy G. Pooley, Jerome Rodriguez, Joern Wilms, Katja Pottschmidt, Manfred Hanke, Michael A. Nowak, Moritz Boeck, Phil Uttley, Richard E. Rothschild, Sera B. Markoff, Slawomir Suchy, Victoria Grinberg

arxiv:1107.4974 v1 · 2011-07-25 · 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{I7HAID7DDV6T7HYHMTY6SWBP5F}

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	2026-05-18T02:01:10.470676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ce040fe31d7d3f9f0764f1e9582fe97c5bbc64d42da920b70eb9ce414a21d1

Aliases

arxiv: 1107.4974 · arxiv_version: 1107.4974v1 · doi: 10.48550/arxiv.1107.4974 · pith_short_12: I7HAID7DDV6T · pith_short_16: I7HAID7DDV6T7HYH · pith_short_8: I7HAID7D

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/I7HAID7DDV6T7HYHMTY6SWBP5F \
  | 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: 47ce040fe31d7d3f9f0764f1e9582fe97c5bbc64d42da920b70eb9ce414a21d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29c419d5e505d0238ce2b6be71e2d5f6a7f784e4b5d8fa4d94cf49844496637a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-25T15:19:47Z",
    "title_canon_sha256": "7c1c7b894af817e63e69fc2ed686a6c5cec550ca06e6706ba26743657163a1df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4974",
    "kind": "arxiv",
    "version": 1
  }
}