Pith Number

pith:FBSBK6IS

pith:2013:FBSBK6IS7ZH24VJBKYOSDYWBKQ

not attested not anchored not stored refs pending

On the Formation of SMC X-1: the Effect of Mass and Orbital Angular Momentum Loss

Tao Li, X.-D. Li

arxiv:1311.1649 v1 · 2013-11-07 · astro-ph.HE · astro-ph.SR

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBSBK6IS7ZH24VJBKYOSDYWBKQ}

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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.

Cited by

1 paper in Pith

Optical Super-orbital Modulation of SMC X-1: Disk Precession and a Revised Pulsar Mass

Receipt and verification

First computed	2026-05-18T01:46:33.299604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2864157912fe4fae5521561d21e2c1542b2fd8c9bb1c186a6d4fffd46949c2fc

Aliases

arxiv: 1311.1649 · arxiv_version: 1311.1649v1 · doi: 10.48550/arxiv.1311.1649 · pith_short_12: FBSBK6IS7ZH2 · pith_short_16: FBSBK6IS7ZH24VJB · pith_short_8: FBSBK6IS

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/FBSBK6IS7ZH24VJBKYOSDYWBKQ \
  | 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: 2864157912fe4fae5521561d21e2c1542b2fd8c9bb1c186a6d4fffd46949c2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba5bbfca8ffed6d53652317e06664f11e3dce68383b4f063808988243447333",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-11-07T12:03:22Z",
    "title_canon_sha256": "c573c35ee4150d56a06858c5aac4965c5dc4abfc493564c47c0d72f8307ccdaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1649",
    "kind": "arxiv",
    "version": 1
  }
}