Pith Number

pith:HOFAFASX

pith:2018:HOFAFASX2WUT4QWKRYLVQX2SH4

not attested not anchored not stored refs pending

Modified gravity for surveys

Celia Escamilla-Rivera, Luisa G. Jaime, Mariana Jaber

arxiv:1804.04284 v1 · 2018-04-12 · 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{HOFAFASX2WUT4QWKRYLVQX2SH4}

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	2026-05-18T00:02:35.238622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8a028257d5a93e42ca8e17585f523f143b13a09de885db3b98514f7a0e4195

Aliases

arxiv: 1804.04284 · arxiv_version: 1804.04284v1 · doi: 10.48550/arxiv.1804.04284 · pith_short_12: HOFAFASX2WUT · pith_short_16: HOFAFASX2WUT4QWK · pith_short_8: HOFAFASX

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/HOFAFASX2WUT4QWKRYLVQX2SH4 \
  | 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: 3b8a028257d5a93e42ca8e17585f523f143b13a09de885db3b98514f7a0e4195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55c787dc1c27318aaaffe71b8cbd6589d05f689485869077570ccd9026920ba8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-12T02:13:10Z",
    "title_canon_sha256": "4f32019e27cf4018e8e4b9f8b22eab06ccfde79e126bd355f18ca2d07c97c2e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04284",
    "kind": "arxiv",
    "version": 1
  }
}