Pith Number

pith:IQ6R6QWJ

pith:2016:IQ6R6QWJ5L23NF4KRZC2HAQBGT

not attested not anchored not stored refs pending

Using the outskirts of galaxy clusters to determine their mass accretion rate

Cristiano De Boni

arxiv:1612.03909 v2 · 2016-12-12 · 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{IQ6R6QWJ5L23NF4KRZC2HAQBGT}

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	2026-05-18T00:54:26.020427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443d1f42c9eaf5b6978a8e45a3820134e64fa43d8fd82e3e84d9eaf8018188c2

Aliases

arxiv: 1612.03909 · arxiv_version: 1612.03909v2 · doi: 10.48550/arxiv.1612.03909 · pith_short_12: IQ6R6QWJ5L23 · pith_short_16: IQ6R6QWJ5L23NF4K · pith_short_8: IQ6R6QWJ

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/IQ6R6QWJ5L23NF4KRZC2HAQBGT \
  | 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: 443d1f42c9eaf5b6978a8e45a3820134e64fa43d8fd82e3e84d9eaf8018188c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "288b7b3eb27a2ad71f1e0b4eebb2769a3a953f7d34028ed7bffbb067ca1d2725",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-12T21:00:01Z",
    "title_canon_sha256": "71fad30292353a144af7678e2babd411a171a9c67ce9ac1e2b9cb4cc9956c114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03909",
    "kind": "arxiv",
    "version": 2
  }
}