Pith Number

pith:T7XQUX4I

pith:2021:T7XQUX4IDCXLKPLDMEUVHURMLV

not attested not anchored not stored refs pending

PSR J1810+1744: Companion Darkening and a Precise High Neutron Star Mass

Alexei V. Filippenko, D. Kandel, Roger W. Romani, Thomas G. Brink, Weikang Zheng

arxiv:2101.09822 v1 · 2021-01-24 · 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{T7XQUX4IDCXLKPLDMEUVHURMLV}

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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

Hybrid Stars with Post-Merger Rotation Profiles

Receipt and verification

First computed	2026-07-05T02:19:45.119195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fef0a5f8818aeb53d63612953d22c5d59193da6c58dfb3b818fd17773e7f196

Aliases

arxiv: 2101.09822 · arxiv_version: 2101.09822v1 · doi: 10.48550/arxiv.2101.09822 · pith_short_12: T7XQUX4IDCXL · pith_short_16: T7XQUX4IDCXLKPLD · pith_short_8: T7XQUX4I

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/T7XQUX4IDCXLKPLDMEUVHURMLV \
  | 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: 9fef0a5f8818aeb53d63612953d22c5d59193da6c58dfb3b818fd17773e7f196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca6284b3677446aac5032279a7b1032fa551853bef2a1bbc2d12a6bcf9aea21b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-01-24T23:04:47Z",
    "title_canon_sha256": "5cf6a207cbd4f3e3a2ddc72e4deba617a9d21ff9d0a0366f95393435b78b2e3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09822",
    "kind": "arxiv",
    "version": 1
  }
}