Pith Number

pith:FHUOCIET

pith:2018:FHUOCIETVBVY564M64YNJQEC6B

not attested not anchored not stored refs pending

Constraining the dark matter-vacuum energy interaction using the EDGES 21-cm absorption signal

Gong-Bo Zhao, Yuting Wang

arxiv:1805.11210 v2 · 2018-05-29 · 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{FHUOCIETVBVY564M64YNJQEC6B}

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	2026-05-17T23:58:04.774309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29e8e12093a86b8efb8cf730d4c082f04076b7ca780f80f7029ba39dfa8a180e

Aliases

arxiv: 1805.11210 · arxiv_version: 1805.11210v2 · doi: 10.48550/arxiv.1805.11210 · pith_short_12: FHUOCIETVBVY · pith_short_16: FHUOCIETVBVY564M · pith_short_8: FHUOCIET

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/FHUOCIETVBVY564M64YNJQEC6B \
  | 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: 29e8e12093a86b8efb8cf730d4c082f04076b7ca780f80f7029ba39dfa8a180e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "796f5b2895b02f9c34b8ac17daa36b61432b0d9f21f8e9e78104e2ef75da417b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-05-29T01:26:02Z",
    "title_canon_sha256": "06f68d3a6503d2050ba7a0a29fed66858cb96ae326387dea55649bc851f9d68b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11210",
    "kind": "arxiv",
    "version": 2
  }
}