Pith Number

pith:TAJ5CF4M

pith:2017:TAJ5CF4M2TRNONTRT3ZXQ3KP2V

not attested not anchored not stored refs pending

The Transition of a Type IIL Supernova into a Supernova Remnant: Late-time Observations of SN 2013by

C. S. Black, D. Milisavljevic, D. Patnaude, R. A. Fesen, R. Margutti, S. Parker

arxiv:1709.02257 v2 · 2017-09-05 · 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{TAJ5CF4M2TRNONTRT3ZXQ3KP2V}

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	2026-05-18T00:33:13.092544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9813d1178cd4e2d736719ef3786d4fd56110e1dbf730eb3aa851b62ef4f9a85d

Aliases

arxiv: 1709.02257 · arxiv_version: 1709.02257v2 · doi: 10.48550/arxiv.1709.02257 · pith_short_12: TAJ5CF4M2TRN · pith_short_16: TAJ5CF4M2TRNONTR · pith_short_8: TAJ5CF4M

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/TAJ5CF4M2TRNONTRT3ZXQ3KP2V \
  | 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: 9813d1178cd4e2d736719ef3786d4fd56110e1dbf730eb3aa851b62ef4f9a85d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a25f2998ffe0e1fcf37a25a9169ee357a69c02cd0f1d844663706536d8f4a5f7",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-09-05T18:33:43Z",
    "title_canon_sha256": "e293bf6b11b12d527137b9ad572af9ff955be188701c3742f652cdb332c51057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02257",
    "kind": "arxiv",
    "version": 2
  }
}