Pith Number

pith:QIXDQ4WI

pith:2015:QIXDQ4WIAXVLHQ2CI24RLSSVNY

not attested not anchored not stored refs pending

On the nature of cosmological time

Cl\'ementine Hauret, Pierre Magain

arxiv:1505.02052 v1 · 2015-05-08 · astro-ph.CO · 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{QIXDQ4WIAXVLHQ2CI24RLSSVNY}

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	2026-05-18T02:16:38.055077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

822e3872c805eab3c34246b915ca556e20979736ec465752478572b91abbce1a

Aliases

arxiv: 1505.02052 · arxiv_version: 1505.02052v1 · doi: 10.48550/arxiv.1505.02052 · pith_short_12: QIXDQ4WIAXVL · pith_short_16: QIXDQ4WIAXVLHQ2C · pith_short_8: QIXDQ4WI

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/QIXDQ4WIAXVLHQ2CI24RLSSVNY \
  | 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: 822e3872c805eab3c34246b915ca556e20979736ec465752478572b91abbce1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64204fc122fd193c32ea160d9a0be69fb339b49d744c2f630d515d024b5b6655",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-08T14:45:32Z",
    "title_canon_sha256": "860a59e1b59c5ea33afe836bfb04f6641e3b741e6c71912a7eea6e8ae01b6f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02052",
    "kind": "arxiv",
    "version": 1
  }
}