Pith Number

pith:M2OTZDD4

pith:2019:M2OTZDD4TM6QCMVQYRVAZGSAQY

not attested not anchored not stored refs pending

ASASSN-18tb: A Most Unusual Type Ia Supernova Observed by TESS and SALT

B. J. Shappee, C. S. Kochanek, D. A. H. Buckley, J. Brimacombe, J. L. Prieto, K. Z. Stanek, M. A. Tucker, M. D. Stritzinger, M. Fausnaugh, M. Gromadzki, Ping Chen, P. J. Vallely, Subhash Bose, Subo Dong, S. W. Jha, Todd A. Thompson, T. Sukhbold, T. W.-S. Holoien, Y. Eweis

arxiv:1903.08665 v3 · 2019-03-20 · astro-ph.HE · 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{M2OTZDD4TM6QCMVQYRVAZGSAQY}

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.

Cited by

1 paper in Pith

Selected Results on Variable Stars Observed by TESS

Receipt and verification

First computed	2026-07-05T00:34:00.143563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

669d3c8c7c9b3d0132b0c46a0c9a40860a626f151a669b427a37f58f91e4d438

Aliases

arxiv: 1903.08665 · arxiv_version: 1903.08665v3 · doi: 10.48550/arxiv.1903.08665 · pith_short_12: M2OTZDD4TM6Q · pith_short_16: M2OTZDD4TM6QCMVQ · pith_short_8: M2OTZDD4

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/M2OTZDD4TM6QCMVQYRVAZGSAQY \
  | 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: 669d3c8c7c9b3d0132b0c46a0c9a40860a626f151a669b427a37f58f91e4d438

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a608977213f6c62c961cf87eb8903caf486acf7de16d897f3e72675d70a4e44",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-20T18:00:09Z",
    "title_canon_sha256": "dc94e11c3f7484d173feb05eb775e72e85275d3377d11ba9c93cee4a59839258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08665",
    "kind": "arxiv",
    "version": 3
  }
}