Pith Number

pith:FFL22FHQ

pith:2019:FFL22FHQFDAOHMPA5OXEJ4JQKW

not attested not anchored not stored refs pending

Soft excess in the quiescent Be/X-ray pulsar RX J0812.4-3114

Aarran W. Shaw, Alexander Y. Potekhin, Craig O. Heinke, Sergey S. Tsygankov, Wynn C. G. Ho, Yue Zhao

arxiv:1907.04969 v1 · 2019-07-11 · 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{FFL22FHQFDAOHMPA5OXEJ4JQKW}

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	2026-05-17T23:39:53.306471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2957ad14f028c0e3b1e0ebae44f13055b824eb7cd7d2a07da8fdcfc3eea08c3e

Aliases

arxiv: 1907.04969 · arxiv_version: 1907.04969v1 · doi: 10.48550/arxiv.1907.04969 · pith_short_12: FFL22FHQFDAO · pith_short_16: FFL22FHQFDAOHMPA · pith_short_8: FFL22FHQ

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/FFL22FHQFDAOHMPA5OXEJ4JQKW \
  | 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: 2957ad14f028c0e3b1e0ebae44f13055b824eb7cd7d2a07da8fdcfc3eea08c3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "114f33bc7972f622f8cc86323ca7894b2bf2509c91caaaab0bec565bce1f30db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-07-11T01:27:15Z",
    "title_canon_sha256": "8aa7d6201eaa7f2744e987fe4f666f88a1a917d20d9b1bd7ed9d759099033a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04969",
    "kind": "arxiv",
    "version": 1
  }
}