Pith Number

pith:2OOD7PBS

pith:2021:2OOD7PBS6IFK42GO2L4DQGXPBC

not attested not anchored not stored refs pending

A Spitzer Survey for Dust-Obscured Supernovae

Alexei V. Filippenko, Chadwick Casper, David Rubin, Gary Z. Li, Harish Khandrika, Lee Armus, Lou Strolger, Michael F. Skrutskie, Ori D. Fox (STScI), Schuyler D. Van Dyk, Tamas Szalai

arxiv:2106.09733 v2 · 2021-06-17 · astro-ph.HE · 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{2OOD7PBS6IFK42GO2L4DQGXPBC}

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	2026-07-05T02:56:58.786912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d39c3fbc32f20aae68ced2f8381aef0890d0f5e6aa677b873f0b6dabc357b7d3

Aliases

arxiv: 2106.09733 · arxiv_version: 2106.09733v2 · doi: 10.48550/arxiv.2106.09733 · pith_short_12: 2OOD7PBS6IFK · pith_short_16: 2OOD7PBS6IFK42GO · pith_short_8: 2OOD7PBS

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/2OOD7PBS6IFK42GO2L4DQGXPBC \
  | 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: d39c3fbc32f20aae68ced2f8381aef0890d0f5e6aa677b873f0b6dabc357b7d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d447f6c19f30c761d4b324943b21bc3affecef3bec3d90101640e60eb0988b4b",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-06-17T18:00:02Z",
    "title_canon_sha256": "de0977edcd73d1b5e9851ff7c492d952773b7da53765abc22843185dbf08ddd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09733",
    "kind": "arxiv",
    "version": 2
  }
}