Pith Number

pith:PFAJ7G3F

pith:2020:PFAJ7G3FOGKI5LWR3SMU42BZXN

not attested not anchored not stored refs pending

Measuring the mass and concentration of dark matter halos from the velocity dispersion profile of their stars

Abraham Loeb, Sownak Bose

arxiv:2010.15123 v2 · 2020-10-28 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFAJ7G3FOGKI5LWR3SMU42BZXN}

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	2026-07-05T02:41:07.054426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79409f9b6571948eaed1dc994e6839bb4a444864af61026133aa87c7b3aa5c71

Aliases

arxiv: 2010.15123 · arxiv_version: 2010.15123v2 · doi: 10.48550/arxiv.2010.15123 · pith_short_12: PFAJ7G3FOGKI · pith_short_16: PFAJ7G3FOGKI5LWR · pith_short_8: PFAJ7G3F

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/PFAJ7G3FOGKI5LWR3SMU42BZXN \
  | 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: 79409f9b6571948eaed1dc994e6839bb4a444864af61026133aa87c7b3aa5c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73767830fc2e809d22a6db6e93d232a1ba0aebafd994db1bff5acba1f23f3d8",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-10-28T18:00:00Z",
    "title_canon_sha256": "f1d3e148d41ee0eb2dd0b6e6ec775851ecb2375f2084e21ce105a87e8f392ef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.15123",
    "kind": "arxiv",
    "version": 2
  }
}