Pith Number

pith:UTWHM33G

pith:2019:UTWHM33G4SJWX5S7SCUR4VK2S2

not attested not anchored not stored refs pending

Chandra X-ray spectroscopy of the focused wind in the Cygnus X-1 system III. Dipping in the low/hard state

Gregory V. Brown, J\"orn Wilms, Katja Pottschmidt, Manfred Hanke, Maria Hirsch, Michael A. Nowak, Natalie Hell, Norbert S. Schulz, Ralf Ballhausen, Thomas Dauser, Timothy R. Kallman, Victoria Grinberg

arxiv:1905.01262 v1 · 2019-05-03 · 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{UTWHM33G4SJWX5S7SCUR4VK2S2}

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	2026-05-17T23:43:02.261912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ec766f66e4936bf65f90a91e555a96a91879117f79ae7d98af706eb6657c92

Aliases

arxiv: 1905.01262 · arxiv_version: 1905.01262v1 · doi: 10.48550/arxiv.1905.01262 · pith_short_12: UTWHM33G4SJW · pith_short_16: UTWHM33G4SJWX5S7 · pith_short_8: UTWHM33G

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/UTWHM33G4SJWX5S7SCUR4VK2S2 \
  | 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: a4ec766f66e4936bf65f90a91e555a96a91879117f79ae7d98af706eb6657c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8963401f543c5989b755f4ed75f758b76e84e3ef934d22f08196c8db45892884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-03T16:29:43Z",
    "title_canon_sha256": "bacc2f45ae99d9e29bf5a3cf48160316c19e469ccc7b20b8344b70a2a977fcd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01262",
    "kind": "arxiv",
    "version": 1
  }
}