Pith Number

pith:DHFKW62C

pith:2012:DHFKW62C5CBNPYX2MVUPHPLPAJ

not attested not anchored not stored refs pending

Anisotropic Universe Models in f(T) Gravity

D. Saez-Gomez, F. Rahaman, M. E. Rodrigues, M. J. S. Houndjo

arxiv:1209.4859 v3 · 2012-09-21 · gr-qc · 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{DHFKW62C5CBNPYX2MVUPHPLPAJ}

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	2026-05-18T03:39:44.400325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19caab7b42e882d7e2fa6568f3bd6f0255b8f7cc6ecf93c5d8159a5e60c7456e

Aliases

arxiv: 1209.4859 · arxiv_version: 1209.4859v3 · doi: 10.48550/arxiv.1209.4859 · pith_short_12: DHFKW62C5CBN · pith_short_16: DHFKW62C5CBNPYX2 · pith_short_8: DHFKW62C

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/DHFKW62C5CBNPYX2MVUPHPLPAJ \
  | 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: 19caab7b42e882d7e2fa6568f3bd6f0255b8f7cc6ecf93c5d8159a5e60c7456e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa3b7bf843e65c247d65e258c670f91bec40a5d351120a0e5f91b6b96e9f8101",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-21T16:31:31Z",
    "title_canon_sha256": "dea25ce6b77e97f2f74997eb719d4810811b1be6e36eab388b5205e5101dd1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4859",
    "kind": "arxiv",
    "version": 3
  }
}