Pith Number

pith:OFI7YXPB

pith:2012:OFI7YXPB5CTG557Q32AF3K2G2R

not attested not anchored not stored refs pending

A Study of Optical Observing Techniques for Extra-Galactic Supernova Remnants: Case of NGC 300

Graeme L. White, Miroslav D. Filipovic, William C. Millar

arxiv:1202.4321 v1 · 2012-02-20 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFI7YXPB5CTG557Q32AF3K2G2R}

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	2026-05-18T01:58:23.555112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7151fc5de1e8a66ef7f0de805dab46d4438d94c4646a07503ea3da6edec5460d

Aliases

arxiv: 1202.4321 · arxiv_version: 1202.4321v1 · doi: 10.48550/arxiv.1202.4321 · pith_short_12: OFI7YXPB5CTG · pith_short_16: OFI7YXPB5CTG557Q · pith_short_8: OFI7YXPB

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/OFI7YXPB5CTG557Q32AF3K2G2R \
  | 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: 7151fc5de1e8a66ef7f0de805dab46d4438d94c4646a07503ea3da6edec5460d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea442196294ff5d083b8a15ceb4119abca8978731f44ed9bf0e3856be92222cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-20T13:33:15Z",
    "title_canon_sha256": "c402591e8fb979256b178d3286e9feb67c7e4fe1a0011adde7ca324af4ab1118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4321",
    "kind": "arxiv",
    "version": 1
  }
}