Pith Number

pith:KUMU2SGA

pith:2022:KUMU2SGAE4JFDUVG5MNJ7DBXT4

not attested not anchored not stored refs pending

A Speed Bump: SN 2021aefx Shows that Doppler Shift Alone can Explain Early-Excess Blue Flux in Some Type Ia Supernovae

A. L. Piro, B. J. Shappee, C. Ashall, C. R. Burns, E. Baron, E. Y. Hsiao, J. Lu, J. M. DerKacy, K. Boutsia, K. Krisciunas, L. Galbany, M. D. Stritzinger, M. M. Phillips, M. Shahbandeh, N. B. Suntzeff, N. Morrell, P. Hoeflich, P. J. Brown, P. Mazzali, S. Kumar

arxiv:2205.00606 v2 · 2022-05-02 · 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{KUMU2SGAE4JFDUVG5MNJ7DBXT4}

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	2026-07-05T04:31:38.987018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55194d48c0271251d2a6eb1a9f8c379f3b59a03cad5e4ac2705447e5405ac22f

Aliases

arxiv: 2205.00606 · arxiv_version: 2205.00606v2 · doi: 10.48550/arxiv.2205.00606 · pith_short_12: KUMU2SGAE4JF · pith_short_16: KUMU2SGAE4JFDUVG · pith_short_8: KUMU2SGA

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/KUMU2SGAE4JFDUVG5MNJ7DBXT4 \
  | 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: 55194d48c0271251d2a6eb1a9f8c379f3b59a03cad5e4ac2705447e5405ac22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "524af17a6850b522e09e1e30b0277892df78ed7aec65020e6eea914bbc3b6ce1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-02T01:26:41Z",
    "title_canon_sha256": "bcf34c7fbd19626569cbb479749651742609aa981b48538abe9beac7c4fec616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.00606",
    "kind": "arxiv",
    "version": 2
  }
}