Pith Number

pith:HG2OFQHB

pith:2012:HG2OFQHBQ537ETU4H4BK2Q2KQY

not attested not anchored not stored refs pending

Redshift drift in a pressure-gradient cosmology

Adam Balcerzak, Mariusz P. Dabrowski

arxiv:1210.6331 v4 · 2012-10-23 · astro-ph.CO · gr-qc · 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{HG2OFQHBQ537ETU4H4BK2Q2KQY}

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	2026-05-18T03:31:16.787620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39b4e2c0e18777f24e9c3f02ad434a86196084b21a9f3da20d3015a2a76d4e5e

Aliases

arxiv: 1210.6331 · arxiv_version: 1210.6331v4 · doi: 10.48550/arxiv.1210.6331 · pith_short_12: HG2OFQHBQ537 · pith_short_16: HG2OFQHBQ537ETU4 · pith_short_8: HG2OFQHB

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/HG2OFQHBQ537ETU4H4BK2Q2KQY \
  | 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: 39b4e2c0e18777f24e9c3f02ad434a86196084b21a9f3da20d3015a2a76d4e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34cf5e7af68329a34ad3c8cdf2738639e3c4c18e21485b2f27095714ecd459e2",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-23T19:16:55Z",
    "title_canon_sha256": "f6e2856009e9f8022bc81b6f9a22dcccca77be429846d6ec152d635d0ba4325a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6331",
    "kind": "arxiv",
    "version": 4
  }
}