Pith Number

pith:HX4EPMKT

pith:2013:HX4EPMKTRCQPGT5M4ZVRW7K7KU

not attested not anchored not stored refs pending

A-STAR: The All-Sky Transient Astrophysics Reporter

A. Martindale, B. Cordier, G. W. Fraser, J.-L. Atteia, J. P. Osborne, P. Evans, P. O'Brien, S. Mereghetti

arxiv:1302.2542 v2 · 2013-02-11 · astro-ph.IM · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX4EPMKTRCQPGT5M4ZVRW7K7KU}

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	2026-05-18T01:51:42.660714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3df847b15388a0f34face66b1b7d5f551e157e40d51a95be5e8423a7ccf5b957

Aliases

arxiv: 1302.2542 · arxiv_version: 1302.2542v2 · doi: 10.48550/arxiv.1302.2542 · pith_short_12: HX4EPMKTRCQP · pith_short_16: HX4EPMKTRCQPGT5M · pith_short_8: HX4EPMKT

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/HX4EPMKTRCQPGT5M4ZVRW7K7KU \
  | 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: 3df847b15388a0f34face66b1b7d5f551e157e40d51a95be5e8423a7ccf5b957

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42ed2f47b5a19c856ea9c737fae028f01e0ee66bfad0cdc031c8bc949a483149",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-02-11T17:22:21Z",
    "title_canon_sha256": "48805c3d01855ae1c2c69e9cd998859c3d442d1ad380651d54d0861f51b5875e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2542",
    "kind": "arxiv",
    "version": 2
  }
}