Pith Number

pith:HAZBQZ4Q

pith:2020:HAZBQZ4QEMZE3R7LNPZXATXATP

not attested not anchored not stored refs pending

Luminous Red Nova AT 2019zhd, a new merger in M 31

A. Pastorello, A. Reguitti, A. Rest, D. Jones, E. Kankare, E. Karamehmetoglu, G. Valerin, J. Munday, J. P. Anderson, K. C. Chambers, K. Itagaki, K. W. Smith, L. Tomasella, M. D. Stritzinger, M. Fraser, N. Elias-Rosa, P. A. Mazzali, P. Lundqvist, P. Ochner, S. C. Williams, S. J. Smartt, S. Srivastav, U. Munari

arxiv:2011.10588 v2 · 2020-11-20 · 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{HAZBQZ4QEMZE3R7LNPZXATXATP}

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	2026-07-05T02:15:35.611425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

383218679023324dc7eb6bf3704ee09bfe65dc84d2dcbf7f106d7c99448a4e3a

Aliases

arxiv: 2011.10588 · arxiv_version: 2011.10588v2 · doi: 10.48550/arxiv.2011.10588 · pith_short_12: HAZBQZ4QEMZE · pith_short_16: HAZBQZ4QEMZE3R7L · pith_short_8: HAZBQZ4Q

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/HAZBQZ4QEMZE3R7LNPZXATXATP \
  | 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: 383218679023324dc7eb6bf3704ee09bfe65dc84d2dcbf7f106d7c99448a4e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb281a734bf2af3415d5b99f27640658b63243527878688386fb30d4819bfd61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-11-20T19:00:14Z",
    "title_canon_sha256": "638660c5ae89739259603a8c37f17c6f357ec3b3e07d44e1253b1c3817178391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.10588",
    "kind": "arxiv",
    "version": 2
  }
}