Pith Number

pith:EFFJ3GHE

pith:2018:EFFJ3GHEZM45YQQUKX2JNIZEC2

not attested not anchored not stored refs pending

Probing modified gravity in cosmic filaments

Alex Ho, Bridget Falck, David F. Mota, Max Gronke

arxiv:1807.07287 v2 · 2018-07-19 · 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{EFFJ3GHEZM45YQQUKX2JNIZEC2}

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	2026-05-18T00:00:18.790539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

214a9d98e4cb39dc421455f496a32416a86a280eacd14ef9e523060e534c818b

Aliases

arxiv: 1807.07287 · arxiv_version: 1807.07287v2 · doi: 10.48550/arxiv.1807.07287 · pith_short_12: EFFJ3GHEZM45 · pith_short_16: EFFJ3GHEZM45YQQU · pith_short_8: EFFJ3GHE

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/EFFJ3GHEZM45YQQUKX2JNIZEC2 \
  | 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: 214a9d98e4cb39dc421455f496a32416a86a280eacd14ef9e523060e534c818b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3f9fcfab3f44662678cfc332396109e4633cfca0f52e42ffd8048865b3a0c6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-19T08:31:34Z",
    "title_canon_sha256": "d0736a0ecca6e332cc4ee93bb90ce26717f9e3a0aa0d1be3e3a60b3c7a941e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07287",
    "kind": "arxiv",
    "version": 2
  }
}