Pith Number

pith:63IEXNIN

pith:2008:63IEXNINUB6SWCUEGSCH63VCMR

not attested not anchored not stored refs pending

MOND vs. Newtonian dynamics in early-type galaxies. The case of NGC 4649 (M60)

M. M. Cirkovic, S. Samurovic

arxiv:0811.0698 v1 · 2008-11-05 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63IEXNINUB6SWCUEGSCH63VCMR}

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	2026-05-18T04:14:36.254819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d04bb50da07d2b0a8434847f6ea2645c5b63307539d2d06461aa2084a8e205

Aliases

arxiv: 0811.0698 · arxiv_version: 0811.0698v1 · doi: 10.48550/arxiv.0811.0698 · pith_short_12: 63IEXNINUB6S · pith_short_16: 63IEXNINUB6SWCUE · pith_short_8: 63IEXNIN

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/63IEXNINUB6SWCUEGSCH63VCMR \
  | 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: f6d04bb50da07d2b0a8434847f6ea2645c5b63307539d2d06461aa2084a8e205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "118a9264a018efacbfaad81912265d8e5a48fbf26df79230a10f7e0eb1ae9a67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-05T11:16:53Z",
    "title_canon_sha256": "c61debb9294d5b9f076a6d6839f0db20979a9567121165c586888e97bb500fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.0698",
    "kind": "arxiv",
    "version": 1
  }
}