Pith Number

pith:MDZMV32I

pith:2017:MDZMV32IHQ6V4JE7YN6QF3ZXOU

not attested not anchored not stored refs pending

A new parametrization for dark energy density and future deceleration

Abdulla Al Mamon

arxiv:1712.07855 v2 · 2017-12-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDZMV32IHQ6V4JE7YN6QF3ZXOU}

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	2026-05-18T00:10:03.376632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60f2caef483c3d5e249fc37d02ef377502abd1f6ffc3ca5352f6bbf22a7c45cd

Aliases

arxiv: 1712.07855 · arxiv_version: 1712.07855v2 · doi: 10.48550/arxiv.1712.07855 · pith_short_12: MDZMV32IHQ6V · pith_short_16: MDZMV32IHQ6V4JE7 · pith_short_8: MDZMV32I

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/MDZMV32IHQ6V4JE7YN6QF3ZXOU \
  | 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: 60f2caef483c3d5e249fc37d02ef377502abd1f6ffc3ca5352f6bbf22a7c45cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d85844e4eb01e866e3a55e74bb4e01ca63e1b319569c74308b784ae6d40dd5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-21T10:11:58Z",
    "title_canon_sha256": "0404de39a50daf5b913796f2b5f256945107582983835eec7a36eb4f6f503377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07855",
    "kind": "arxiv",
    "version": 2
  }
}