Pith Number

pith:4OTUF3ZE

pith:2016:4OTUF3ZEVLQMUMPD7VB6OK2STF

not attested not anchored not stored refs pending

UV/Optical emission from the expanding envelopes of type II supernovae

Eli Waxman, Nir Sapir

arxiv:1607.03700 v2 · 2016-07-13 · 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{4OTUF3ZEVLQMUMPD7VB6OK2STF}

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	2026-05-18T00:46:40.207793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3a742ef24aae0ca31e3fd43e72b529949bb2781ea7d6be12b0ec68a77463f79

Aliases

arxiv: 1607.03700 · arxiv_version: 1607.03700v2 · doi: 10.48550/arxiv.1607.03700 · pith_short_12: 4OTUF3ZEVLQM · pith_short_16: 4OTUF3ZEVLQMUMPD · pith_short_8: 4OTUF3ZE

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/4OTUF3ZEVLQMUMPD7VB6OK2STF \
  | 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: e3a742ef24aae0ca31e3fd43e72b529949bb2781ea7d6be12b0ec68a77463f79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50f4e6c7020b4babb2a833cd8591501e919bd27b4cc546c466317053d5847c59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-07-13T12:33:58Z",
    "title_canon_sha256": "d798d94606931363516a3110e21db8599f1d1fd3848532792e0d78ab4ba12e32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03700",
    "kind": "arxiv",
    "version": 2
  }
}