Pith Number

pith:G46XKSYF

pith:2020:G46XKSYF7D7WHFKGDPTZHDZYUW

not attested not anchored not stored refs pending

The M Supergiant High Mass X-Ray Binary 4U 1954+31

F.C. Fekel, K.H. Hinkle, L. Prato, N. Habel, N. Karnath, O. Straniero, R.R. Joyce, T. Lebzelter

arxiv:2010.01081 v1 · 2020-10-02 · astro-ph.SR · 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{G46XKSYF7D7WHFKGDPTZHDZYUW}

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	2026-07-05T01:57:55.186489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373d754b05f8ff6395461be7938f38a5b5adefd4d097d8781f9abe07ea7b0275

Aliases

arxiv: 2010.01081 · arxiv_version: 2010.01081v1 · doi: 10.48550/arxiv.2010.01081 · pith_short_12: G46XKSYF7D7W · pith_short_16: G46XKSYF7D7WHFKG · pith_short_8: G46XKSYF

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/G46XKSYF7D7WHFKGDPTZHDZYUW \
  | 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: 373d754b05f8ff6395461be7938f38a5b5adefd4d097d8781f9abe07ea7b0275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54c7f00353ebc6d0f4c5dfd6917fb41d40f3a3a8376170cbce5fc2c91ca5cb43",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-10-02T16:20:38Z",
    "title_canon_sha256": "9dbb8e01b4ff44b726281c00fd21f23f116d880cf4963f54ace6575a66449aaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01081",
    "kind": "arxiv",
    "version": 1
  }
}