Pith Number

pith:ZAWZR5YG

pith:2015:ZAWZR5YG6KVFMFWSRKIDS4GI5M

not attested not anchored not stored refs pending

Arrow of time in dissipationless cosmology

Aleksey Toporensky, Varun Sahni, Yuri Shtanov

arxiv:1506.01247 v3 · 2015-06-03 · gr-qc · astro-ph.CO · hep-ph · hep-th · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZAWZR5YG6KVFMFWSRKIDS4GI5M}

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	2026-05-18T00:02:19.587351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82d98f706f2aa5616d28a903970c8eb2e2ca7a38600818f09ea8899d8ac0ccf

Aliases

arxiv: 1506.01247 · arxiv_version: 1506.01247v3 · doi: 10.48550/arxiv.1506.01247 · pith_short_12: ZAWZR5YG6KVF · pith_short_16: ZAWZR5YG6KVFMFWS · pith_short_8: ZAWZR5YG

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/ZAWZR5YG6KVFMFWSRKIDS4GI5M \
  | 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: c82d98f706f2aa5616d28a903970c8eb2e2ca7a38600818f09ea8899d8ac0ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d2279d08d9440b8b746d097276af95c1273264cf279934753e9f1c3ec8ae2c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-03T14:02:21Z",
    "title_canon_sha256": "caa582bb62aac3fe20670b28032b305efa7994627befe6606d7340a63f31a999"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01247",
    "kind": "arxiv",
    "version": 3
  }
}