Pith Number

pith:7F7PRHV7

pith:2018:7F7PRHV7WRX4ZCBZBLLUDOREMS

not attested not anchored not stored refs pending

Primordial features from ekpyrotic bounces

L. Sriramkumar, Rathul Nath Raveendran

arxiv:1809.03229 v3 · 2018-09-10 · 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{7F7PRHV7WRX4ZCBZBLLUDOREMS}

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	2026-05-17T23:52:41.040747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97ef89ebfb46fcc88390ad741ba24648cf4143fb37e010b20900adb1e5354c1

Aliases

arxiv: 1809.03229 · arxiv_version: 1809.03229v3 · doi: 10.48550/arxiv.1809.03229 · pith_short_12: 7F7PRHV7WRX4 · pith_short_16: 7F7PRHV7WRX4ZCBZ · pith_short_8: 7F7PRHV7

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/7F7PRHV7WRX4ZCBZBLLUDOREMS \
  | 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: f97ef89ebfb46fcc88390ad741ba24648cf4143fb37e010b20900adb1e5354c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8f9e81488b099735df41cbe825b8c678f259fa1a6e168030c26f2530c7dbe8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-09-10T10:41:36Z",
    "title_canon_sha256": "0bb89686af31e29118f14bd234cec8ed37231fc4f7d39e0b8ae2a21ec93d364c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03229",
    "kind": "arxiv",
    "version": 3
  }
}