Pith Number

pith:3U3G5R7N

pith:2016:3U3G5R7NYTGLBZJEC7XZYBQDWS

not attested not anchored not stored refs pending

Spectropolarimetry of the Type IIb SN 2008aq

A. Clocchiatti, D. Baade, F. Patat, H.F. Stevance, J.C. Wheeler, J.R. Maund, J. Spyromilio, L. Wang, P. Hoflich, P. Zelaya, Y. Yang

arxiv:1606.05465 v2 · 2016-06-17 · 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{3U3G5R7NYTGLBZJEC7XZYBQDWS}

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	2026-07-05T00:45:48.744100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd366ec7edc4ccb0e52417ef9c0603b48fb3917d0ce0ed7722b5ffbd92ea648a

Aliases

arxiv: 1606.05465 · arxiv_version: 1606.05465v2 · doi: 10.48550/arxiv.1606.05465 · pith_short_12: 3U3G5R7NYTGL · pith_short_16: 3U3G5R7NYTGLBZJE · pith_short_8: 3U3G5R7N

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/3U3G5R7NYTGLBZJEC7XZYBQDWS \
  | 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: dd366ec7edc4ccb0e52417ef9c0603b48fb3917d0ce0ed7722b5ffbd92ea648a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d9875ce79458b19c354cce7ad7b46074038c45cea5f6b4505fd44214f4f009",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-06-17T09:58:30Z",
    "title_canon_sha256": "64bb8d03bcee7c97bcfe95a637eb9e61f12c6fa91d02b0ed49c4adaa3e06b40a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05465",
    "kind": "arxiv",
    "version": 2
  }
}