Pith Number

pith:SFTGG4Y4

pith:2014:SFTGG4Y4FEDDPQHL2JR7SAKDAP

not attested not anchored not stored refs pending

Periods of two enigmatic black hole candidates GRS 1915+105 and IGR J17091-3624

Arindam Ghosh, S. K. Chakrabarti

arxiv:1406.7262 v2 · 2014-06-27 · 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{SFTGG4Y4FEDDPQHL2JR7SAKDAP}

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	2026-05-18T01:09:38.045324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

916663731c290637c0ebd263f9014303e9e7a88873774fbe6fe66988fe3e5672

Aliases

arxiv: 1406.7262 · arxiv_version: 1406.7262v2 · doi: 10.48550/arxiv.1406.7262 · pith_short_12: SFTGG4Y4FEDD · pith_short_16: SFTGG4Y4FEDDPQHL · pith_short_8: SFTGG4Y4

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/SFTGG4Y4FEDDPQHL2JR7SAKDAP \
  | 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: 916663731c290637c0ebd263f9014303e9e7a88873774fbe6fe66988fe3e5672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9b3128693d44004152b5d811363512bd15176166b18ade27c3cf82ed86a9a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-06-27T18:22:36Z",
    "title_canon_sha256": "3f7f1965b0cd7fc762dfdfc1c4ddd91592ce0ce812a53b3b70351c15799aa3d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7262",
    "kind": "arxiv",
    "version": 2
  }
}