Pith Number

pith:ULPP5DPU

pith:2010:ULPP5DPUFWOJ3KXM53GASZP3O7

not attested not anchored not stored refs pending

PTF10nvg: An Outbursting Class I Protostar in the Pelican/North American Nebula

Adam A. Miller, Alexei V. Filippenko, Christopher Klein, Dan McKenna, David Hale, Dovi Poznanski, Eran O. Ofek, Gustavo Rahmer, Janet Jacobsen, Jeffrey M. Silverman, Jeff Zolkower, John Henning, John Rayner, Joshua S. Bloom, Kevin R. Covey, Khanh Bui, Luisa M. Rebull, Lynne A. Hillenbrand, Mansi M. Kasliwal, Marcel Agueros, Nathaniel R. Butler, Nicholas M. Law, Peter Nugent, Richard G. Dekany, Richard Walters, Robert M. Quimby, Roger Smith, S. Bradley Cenko, Shrinivas R. Kulkarni, Viswa Velur, William Fischer

arxiv:1011.2565 v2 · 2010-11-11 · 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{ULPP5DPUFWOJ3KXM53GASZP3O7}

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	2026-05-18T02:04:49.026209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2defe8df42d9c9daaeceecc0965fb77edbc34940843ba4b4d74180ba97892e3

Aliases

arxiv: 1011.2565 · arxiv_version: 1011.2565v2 · doi: 10.48550/arxiv.1011.2565 · pith_short_12: ULPP5DPUFWOJ · pith_short_16: ULPP5DPUFWOJ3KXM · pith_short_8: ULPP5DPU

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/ULPP5DPUFWOJ3KXM53GASZP3O7 \
  | 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: a2defe8df42d9c9daaeceecc0965fb77edbc34940843ba4b4d74180ba97892e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01593dd6953f9ad6024bd583af2380442e5036df24a2fbb5b697378153d557a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-11-11T05:51:19Z",
    "title_canon_sha256": "c12a3dcf9dddf5cf4f54f7a1e515c956e58d08e990285453841ceeccadd65ed4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2565",
    "kind": "arxiv",
    "version": 2
  }
}