Pith Number

pith:FHQ7NMZ5

pith:2018:FHQ7NMZ5KWDE2PK3L4EY4HHE2L

not attested not anchored not stored refs pending

Observational constraints on quintessence models of dark energy

Archana Sangwan, Ashutosh Tripathi, H. K. Jassal

arxiv:1804.09350 v3 · 2018-04-25 · 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{FHQ7NMZ5KWDE2PK3L4EY4HHE2L}

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.

Cited by

1 paper in Pith

A Critical Reanalysis of Supernova Type Ia Data

Receipt and verification

First computed	2026-05-18T00:13:04.197933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29e1f6b33d55864d3d5b5f098e1ce4d2c761632e687274e1b594bd920a42e7fb

Aliases

arxiv: 1804.09350 · arxiv_version: 1804.09350v3 · doi: 10.48550/arxiv.1804.09350 · pith_short_12: FHQ7NMZ5KWDE · pith_short_16: FHQ7NMZ5KWDE2PK3 · pith_short_8: FHQ7NMZ5

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/FHQ7NMZ5KWDE2PK3L4EY4HHE2L \
  | 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: 29e1f6b33d55864d3d5b5f098e1ce4d2c761632e687274e1b594bd920a42e7fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20c0bb4e1b58dc8c1d02f638fa3943f392b3a047e55308439d47344444456449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-25T05:09:54Z",
    "title_canon_sha256": "a2ed6ba743c0dc7205503d5aaa1e5e4515793693e526045b4e0bc23c207d05d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09350",
    "kind": "arxiv",
    "version": 3
  }
}