Pith Number

pith:MAYQZV44

pith:2016:MAYQZV44FCLSPPY2W4QMMA2GNE

not attested not anchored not stored refs pending

iPTF Discovery of the Rapid "Turn On" of a Luminous Quasar

A.K.H. Kong, C.C. Ngeow, C. Fremling, J.D. Neill, K. Mooley, Lin Yan, N. Blagorodnova, P.C. Yu, P.E. Nugent, P. Wozniak, S.B. Cenko, S. Gezari, S.R. Kulkarni, T. Hung, T.M. Cantwell, Y. Cao

arxiv:1612.04830 v1 · 2016-12-14 · 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{MAYQZV44FCLSPPY2W4QMMA2GNE}

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	2026-05-18T00:51:41.460525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60310cd79c289727bf1ab720c603466927b14953dbef5a5c1af9d35db3362885

Aliases

arxiv: 1612.04830 · arxiv_version: 1612.04830v1 · doi: 10.48550/arxiv.1612.04830 · pith_short_12: MAYQZV44FCLS · pith_short_16: MAYQZV44FCLSPPY2 · pith_short_8: MAYQZV44

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/MAYQZV44FCLSPPY2W4QMMA2GNE \
  | 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: 60310cd79c289727bf1ab720c603466927b14953dbef5a5c1af9d35db3362885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4aa888f45144acb2c91027b93ffc2e4ce32237c8024320fcec8fc5329a499dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-12-14T21:00:09Z",
    "title_canon_sha256": "17447185b04f92be767b31f32a1734e003498b44fd3da51e249ffbb5d07cea7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04830",
    "kind": "arxiv",
    "version": 1
  }
}