Pith Number

pith:SDQQOULC

pith:2015:SDQQOULCVNRMJNDFCWBXG4QFCQ

not attested not anchored not stored refs pending

A New Analysis of Spitzer Observations of Comet 29P/Schwassmann-Wachmann 1

Carey M. Lisse, Charles A. Schambeau, Laura M. Woodney, Nalin Samarasinha, Yanga R. Fernandez

arxiv:1506.07037 v1 · 2015-06-23 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDQQOULCVNRMJNDFCWBXG4QFCQ}

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	2026-05-18T01:35:46.568584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90e1075162ab62c4b46515837372051422caa53423a3c1a8b021d0846e478e25

Aliases

arxiv: 1506.07037 · arxiv_version: 1506.07037v1 · doi: 10.48550/arxiv.1506.07037 · pith_short_12: SDQQOULCVNRM · pith_short_16: SDQQOULCVNRMJNDF · pith_short_8: SDQQOULC

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/SDQQOULCVNRMJNDFCWBXG4QFCQ \
  | 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: 90e1075162ab62c4b46515837372051422caa53423a3c1a8b021d0846e478e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55ef95cb48ebf0544ff3c7139cc8c592ac31f1a3e34adcb21d8c4ae24951a3e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-06-23T14:50:24Z",
    "title_canon_sha256": "3b9354efd86ea1cf89c3976dd34a0bf6ee3db7d6bc7965f0da5579fe60a216c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07037",
    "kind": "arxiv",
    "version": 1
  }
}