Pith Number

pith:HZ22VVJH

pith:2012:HZ22VVJHRMDOS4X3FUIZALKR5M

not attested not anchored not stored refs pending

A new proposal for Galactic dark matter: Effect of f(T) gravity

Farook Rahaman, Hafiza Ismat Fatima, Nasarul Islam, Ritabrata Biswas

arxiv:1207.2145 v2 · 2012-07-07 · 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{HZ22VVJHRMDOS4X3FUIZALKR5M}

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	2026-05-18T01:56:26.336646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e75aad5278b06e972fb2d11902d51eb37bcac487aba4eb2d0a1650ee9f1f6d0

Aliases

arxiv: 1207.2145 · arxiv_version: 1207.2145v2 · doi: 10.48550/arxiv.1207.2145 · pith_short_12: HZ22VVJHRMDO · pith_short_16: HZ22VVJHRMDOS4X3 · pith_short_8: HZ22VVJH

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/HZ22VVJHRMDOS4X3FUIZALKR5M \
  | 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: 3e75aad5278b06e972fb2d11902d51eb37bcac487aba4eb2d0a1650ee9f1f6d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c785342bf422c3ae8df2adff8fd2491f4f64da3bece82055b99a9bdc77579c32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-07-07T10:15:53Z",
    "title_canon_sha256": "043b8e2c8694980dda295a7eb9372d64a625b4c4d7cbac6aa789078c2a1c9b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2145",
    "kind": "arxiv",
    "version": 2
  }
}