Pith Number

pith:OISPZT67

pith:2013:OISPZT67K2O7BTHLREIRWNJP4X

not attested not anchored not stored refs pending

Nonstandard approach to gravity for the dark sector of the Universe

P.C. Stichel, W.J. Zakrzewski

arxiv:1301.4486 v1 · 2013-01-18 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OISPZT67K2O7BTHLREIRWNJP4X}

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	2026-05-18T01:00:20.876014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7224fccfdf569df0cceb89111b352fe5f4c5802571a45d8371eec3724f92442f

Aliases

arxiv: 1301.4486 · arxiv_version: 1301.4486v1 · doi: 10.48550/arxiv.1301.4486 · pith_short_12: OISPZT67K2O7 · pith_short_16: OISPZT67K2O7BTHL · pith_short_8: OISPZT67

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/OISPZT67K2O7BTHLREIRWNJP4X \
  | 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: 7224fccfdf569df0cceb89111b352fe5f4c5802571a45d8371eec3724f92442f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "702631fd8319d1b1c43a99eee9f2a57a8af9c381a22865291954c830e1dbba53",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-18T20:33:38Z",
    "title_canon_sha256": "7b2dc6d7762176e7d209f9439cb969582b382b0bc56bfae38344f71711a84450"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4486",
    "kind": "arxiv",
    "version": 1
  }
}