Pith Number

pith:GHEMDXDU

pith:2010:GHEMDXDUV3YJX2EHXO6U5THMEA

not attested not anchored not stored refs pending

The outburst of V713 Cephei in August 2009

Bart Staels, David Boyd, Denis Denisenko, Ian Miller, Robert Koff

arxiv:1012.0138 v1 · 2010-12-01 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GHEMDXDUV3YJX2EHXO6U5THMEA}

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	2026-05-18T04:14:45.077465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31c8c1dc74aef09be887bbbd4eccec20254d0c9b09611c2b1ee32e4f397dd601

Aliases

arxiv: 1012.0138 · arxiv_version: 1012.0138v1 · doi: 10.48550/arxiv.1012.0138 · pith_short_12: GHEMDXDUV3YJ · pith_short_16: GHEMDXDUV3YJX2EH · pith_short_8: GHEMDXDU

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/GHEMDXDUV3YJX2EHXO6U5THMEA \
  | 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: 31c8c1dc74aef09be887bbbd4eccec20254d0c9b09611c2b1ee32e4f397dd601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c6b49941d05629baed8c35a6668a85c1fd359d0977be144a4c93893f357b25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-01T09:45:50Z",
    "title_canon_sha256": "a0f0f28669223141156ea45b9222ee934b7eaff19dfe6ed2fecd7fff6574e7a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0138",
    "kind": "arxiv",
    "version": 1
  }
}