Pith Number

pith:PLOQCKPN

pith:1993:PLOQCKPNRDTG74Y3CXHRLQJTR5

not attested not anchored not stored refs pending

Testing the Frozen-Flow Approximation

Adrian L. Melott, Francesco Lucchin, Lauro Moscardini, Sabino Matarrese

arxiv:astro-ph/9308008 v1 · 1993-08-06 · 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{PLOQCKPNRDTG74Y3CXHRLQJTR5}

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	2026-05-18T01:40:26.617234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7add0129ed88e66ff31b15cf15c1338f6d99e449d488ee1beaaa0ad6e2a3bafc

Aliases

arxiv: astro-ph/9308008 · arxiv_version: astro-ph/9308008v1 · doi: 10.48550/arxiv.astro-ph/9308008 · pith_short_12: PLOQCKPNRDTG · pith_short_16: PLOQCKPNRDTG74Y3 · pith_short_8: PLOQCKPN

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/PLOQCKPNRDTG74Y3CXHRLQJTR5 \
  | 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: 7add0129ed88e66ff31b15cf15c1338f6d99e449d488ee1beaaa0ad6e2a3bafc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867cdab5c79e803374787350dd7cb394df08ca5b3fe18b5904db568f15e00bf5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-08-06T09:05:49Z",
    "title_canon_sha256": "5a5d81fafb6f9e1f4b6504254a208bebc5d3d7fb96e54800d3fefa6979cae430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9308008",
    "kind": "arxiv",
    "version": 1
  }
}