Pith Number

pith:NWIFZ2P3

pith:2011:NWIFZ2P3JB7PJPITVFTSREEHCE

not attested not anchored not stored refs pending

PTF1 J071912.13+485834.0: An outbursting AM CVn system discovered by a synoptic survey

Assaf Horesh, Assaf Sternberg, Avi Shporer, Benjamin J. Fulton, Branimir Sesar, David Levitan, Dovi Poznanski, Eran O. Ofek, Joshua S. Bloom, Mansi M. Kasliwal, Nicholas M. Law, Paul J. Groot, Peter E. Nugent, Robert M. Quimby, S. Bradley Cenko, Shrinivas R. Kulkarni, Thomas A. Prince

arxiv:1107.1209 v1 · 2011-07-06 · 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{NWIFZ2P3JB7PJPITVFTSREEHCE}

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	2026-05-18T02:01:22.358191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d905ce9fb487ef4bd13a9672890871111a5a2683ab2eb3148f398805ddb9053

Aliases

arxiv: 1107.1209 · arxiv_version: 1107.1209v1 · doi: 10.48550/arxiv.1107.1209 · pith_short_12: NWIFZ2P3JB7P · pith_short_16: NWIFZ2P3JB7PJPIT · pith_short_8: NWIFZ2P3

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/NWIFZ2P3JB7PJPITVFTSREEHCE \
  | 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: 6d905ce9fb487ef4bd13a9672890871111a5a2683ab2eb3148f398805ddb9053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ba279273384108c4ab7b96085a1ac4846f0db0441465a009c318f79db636b4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-06T18:05:48Z",
    "title_canon_sha256": "51ccf26bddd322d80ef0786f9c763eb43eb611c6c7f2731b77da93b17d079479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1209",
    "kind": "arxiv",
    "version": 1
  }
}