Pith Number

pith:X4DLHBSB

pith:2021:X4DLHBSBTU3Q6CJD6CSSWKWFFK

not attested not anchored not stored refs pending

Faintest of them all : ZTF 21aaoryiz/SN 2021fcg -- Discovery of an extremely low luminosity type Iax supernova

(2) University of Dublin, (3) Stockholm University, (4) IPAC, (5) UC Berkeley, (6) Liverpool John Moores University, (7) Univ Lyon), Anastasios Tzanidakis (1), Andrew Drake (1), Ashish A. Mahabal (1), Ben Rusholme (5), Daniel Perley (6), Dmitry A. Duev (1), Erik C. Kool (3), Igor Andreoni (1), Jesper Sollerman (3), Kate Maguire (2), Kishalay De (1), Mansi M. Kasliwal (1), Mark R. Magee (2), Matthew J. Graham (1), Michael S. Medford (5), Mickael Rigault (7), Richard Walters (1), Russ R. Laher (4), Shreya G. Anand (1), Steve Schulze (3), Viraj R. Karambelkar (1), Yashvi Sharma (1), Yuhan Yao (1) ((1) Caltech

arxiv:2110.04306 v1 · 2021-10-08 · 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{X4DLHBSBTU3Q6CJD6CSSWKWFFK}

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	2026-07-05T03:28:27.682671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf06b386419d370f0923f0a52b2ac52a99832701f7c56f078390b865af7ecd8f

Aliases

arxiv: 2110.04306 · arxiv_version: 2110.04306v1 · doi: 10.48550/arxiv.2110.04306 · pith_short_12: X4DLHBSBTU3Q · pith_short_16: X4DLHBSBTU3Q6CJD · pith_short_8: X4DLHBSB

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/X4DLHBSBTU3Q6CJD6CSSWKWFFK \
  | 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: bf06b386419d370f0923f0a52b2ac52a99832701f7c56f078390b865af7ecd8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "780768585d8f6fe05526bd4ffd1299b9029362a363993076d72b0b65cc03af8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-10-08T18:00:01Z",
    "title_canon_sha256": "0a180057a823e4966fb70e29b7773107dd2c0d53f1ac47d47605ab5f3daa93f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04306",
    "kind": "arxiv",
    "version": 1
  }
}