Pith Number

pith:2WJOWH5H

pith:2022:2WJOWH5H52WZKFKJUTOKI4QGKV

not attested not anchored not stored refs pending

There is no universal acceleration scale in galaxies

Antonino Del Popolo, Man Ho Chan, Shantanu Desai

arxiv:2205.07515 v1 · 2022-05-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WJOWH5H52WZKFKJUTOKI4QGKV}

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	2026-07-05T05:22:47.571647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d592eb1fa7eead951549a4dca4720655698b83ef366d96f81b6bb033a1933b01

Aliases

arxiv: 2205.07515 · arxiv_version: 2205.07515v1 · doi: 10.48550/arxiv.2205.07515 · pith_short_12: 2WJOWH5H52WZ · pith_short_16: 2WJOWH5H52WZKFKJ · pith_short_8: 2WJOWH5H

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/2WJOWH5H52WZKFKJUTOKI4QGKV \
  | 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: d592eb1fa7eead951549a4dca4720655698b83ef366d96f81b6bb033a1933b01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be285893fc02b198288bace39ac2b87707482baba4f26b6aa6630bdb2d5907a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-16T08:48:40Z",
    "title_canon_sha256": "23182291d6544f1c4b145e2cbfe1c9e43fb3159b4d53f54a7742e72fe6c7282f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07515",
    "kind": "arxiv",
    "version": 1
  }
}