Pith Number

pith:TAR7KSGQ

pith:2018:TAR7KSGQHCXFNHTMEDTYZP7EJS

not attested not anchored not stored refs pending

A Survey of Water Production in 61 Comets from SOHO/SWAN Observations of Hydrogen Lyman-alpha: Twenty-One Years 1996-2016

E. Qu\'emerais, J.-L. Bertaux, M.R. Combi, S. Ferron, T.T. M\"akinen

arxiv:1808.10865 v2 · 2018-08-31 · 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{TAR7KSGQHCXFNHTMEDTYZP7EJS}

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	2026-05-18T00:05:27.822555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9823f548d038ae569e6c20e78cbfe44c9c6e2dd277cc2eb316e1ab05ad0e3868

Aliases

arxiv: 1808.10865 · arxiv_version: 1808.10865v2 · doi: 10.48550/arxiv.1808.10865 · pith_short_12: TAR7KSGQHCXF · pith_short_16: TAR7KSGQHCXFNHTM · pith_short_8: TAR7KSGQ

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/TAR7KSGQHCXFNHTMEDTYZP7EJS \
  | 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: 9823f548d038ae569e6c20e78cbfe44c9c6e2dd277cc2eb316e1ab05ad0e3868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c72944f20cc8a230993c47ab700c6409c64d6bf125d82920e05d5c43d6ce8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-31T17:46:31Z",
    "title_canon_sha256": "3bb4934e762503159209f42f0c9951c05ee0dec7697c4d0d5c669b89e3314c32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10865",
    "kind": "arxiv",
    "version": 2
  }
}