Pith Number

pith:OYX35I2C

pith:2014:OYX35I2CV7B5Q7GF26AHX7JPZN

not attested not anchored not stored refs pending

Optical Observations of the Type Ic Supernova 2007gr in NGC 1058 and Implications for the Properties of its Progenitor

2.UC Berkeley, 3), 3. Lawrence Berkeley National Laboratory, 4), 4. University of Texas, 5), 5.Deceased 12 December 2011, 6), 6.Harvard-Smithsonian Center for Astrophysics), Alexei V. Filippenko (2), Jeffrey M. Silverman (2, Juncheng Chen (1), Junzheng Li (1), Mohan Ganeshalingam (2, Ryan Chornock (2, Thea Steele (2) (1.Tsinghua University, Weidong Li (2, Xiaofeng Wang (1)

arxiv:1406.2828 v1 · 2014-06-11 · 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{OYX35I2CV7B5Q7GF26AHX7JPZN}

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	2026-05-18T01:36:56.984033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762fbea342afc3d87cc5d7807bfd2fcb619b9b5e86f283794a7b50c4307e59f3

Aliases

arxiv: 1406.2828 · arxiv_version: 1406.2828v1 · doi: 10.48550/arxiv.1406.2828 · pith_short_12: OYX35I2CV7B5 · pith_short_16: OYX35I2CV7B5Q7GF · pith_short_8: OYX35I2C

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/OYX35I2CV7B5Q7GF26AHX7JPZN \
  | 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: 762fbea342afc3d87cc5d7807bfd2fcb619b9b5e86f283794a7b50c4307e59f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915c39a886eb36ca9df15f7d9943e6b3d28a950d7ec8ad4f213c682cd8f7f715",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-06-11T08:49:18Z",
    "title_canon_sha256": "ecaff98ca30f0fdddc31ff6cac334c5ae4419a80292a19e65a052017ade6a278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2828",
    "kind": "arxiv",
    "version": 1
  }
}