Pith Number

pith:FZJUZBLT

pith:2020:FZJUZBLT6VISHET7YSVHGU2N4I

not attested not anchored not stored refs pending

SN 2014C: VLBI image shows a shell structure and decelerated expansion

Atish Kamble, Danny Milisavljevic, David Jacob Matthews, Michael F. Bietenholz, Norbert Bartel, Raffaella Margutti

arxiv:2012.12049 v2 · 2020-12-22 · 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{FZJUZBLT6VISHET7YSVHGU2N4I}

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	2026-07-05T02:07:53.747062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e534c8573f55123927fc4aa73534de2194e84b7c24ed630f0b654ae4a03c183

Aliases

arxiv: 2012.12049 · arxiv_version: 2012.12049v2 · doi: 10.48550/arxiv.2012.12049 · pith_short_12: FZJUZBLT6VIS · pith_short_16: FZJUZBLT6VISHET7 · pith_short_8: FZJUZBLT

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/FZJUZBLT6VISHET7YSVHGU2N4I \
  | 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: 2e534c8573f55123927fc4aa73534de2194e84b7c24ed630f0b654ae4a03c183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b55e88074589bd34086cede31af43a790a969e346268cccf1f94dfb7fd18ea7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-12-22T14:32:26Z",
    "title_canon_sha256": "afb808c934f8cdc1b0adc8a485f32f8c4708d37daeeaa407963aac45d0180694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.12049",
    "kind": "arxiv",
    "version": 2
  }
}