Pith Number

pith:WTVMPG2F

pith:2021:WTVMPG2FYTPCIT7HMTHH4BJ7CN

not attested not anchored not stored refs pending

Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb

C. McCully, C. Pellegrino, D. A. Howell, D. Hiramatsu, D. Janzen, D. J. Sand, D. Reichart, E. Y. Hsiao, J. Burke, J. E. Andrews, J. J. Swift, K. A. Bostroem, K. Itagaki, K. Misra, L. Chomiuk, L. Galbany, L. Wang, M. J. Lundquist, M. L. Graham, N. Smith, P. J. Brown, R. Dastidar, S. K. Sarbadhicary, S. Valenti, S. Wyatt, Y. Dong

arxiv:2108.11407 v1 · 2021-08-25 · 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{WTVMPG2FYTPCIT7HMTHH4BJ7CN}

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	2026-07-05T03:34:33.756550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4eac79b45c4de244fe764ce7e053f1343a7faed2c7be7deb8bb009cba590deb

Aliases

arxiv: 2108.11407 · arxiv_version: 2108.11407v1 · doi: 10.48550/arxiv.2108.11407 · pith_short_12: WTVMPG2FYTPC · pith_short_16: WTVMPG2FYTPCIT7H · pith_short_8: WTVMPG2F

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/WTVMPG2FYTPCIT7HMTHH4BJ7CN \
  | 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: b4eac79b45c4de244fe764ce7e053f1343a7faed2c7be7deb8bb009cba590deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129778e9a860a771f0d83d062b80e005c37e24411f70461a0bde67ee9163e3a4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-25T18:02:56Z",
    "title_canon_sha256": "7722b2513fa1ec357e2709d6ce8415b279ac0dffdfde635bb3f7e9c630832ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11407",
    "kind": "arxiv",
    "version": 1
  }
}