Pith Number

pith:SNLU4GPH

pith:2014:SNLU4GPHGFK5O2GY6Y4GFDU64R

not attested not anchored not stored refs pending

Optical observations of the fast declining type Ib supernova iPTF13bvn

D. K. Sahu, G. C. Anupama, Shubham Srivastav

arxiv:1409.2739 v1 · 2014-09-09 · astro-ph.SR · 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{SNLU4GPHGFK5O2GY6Y4GFDU64R}

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	2026-05-18T01:42:06.040711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93574e19e73155d768d8f638628e9ee44f1a1bff58273b731e664a855991a5f0

Aliases

arxiv: 1409.2739 · arxiv_version: 1409.2739v1 · doi: 10.48550/arxiv.1409.2739 · pith_short_12: SNLU4GPHGFK5 · pith_short_16: SNLU4GPHGFK5O2GY · pith_short_8: SNLU4GPH

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/SNLU4GPHGFK5O2GY6Y4GFDU64R \
  | 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: 93574e19e73155d768d8f638628e9ee44f1a1bff58273b731e664a855991a5f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b8d6070eaa09bef1e912bc9d1d937ab0a0b2b388bfa30c067f9a3c74701450",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-09T13:54:47Z",
    "title_canon_sha256": "517d56fee2fe2407e371bfac580c1e8f5e24756db93e49e0c6e652d0fdd83b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2739",
    "kind": "arxiv",
    "version": 1
  }
}