Pith Number

pith:YW7KKKU5

pith:2015:YW7KKKU54ODIKWXEML2YNNHQCF

not attested not anchored not stored refs pending

Molecular Oxygen in Oort Cloud Comet 1P/Halley

Ewine F. van Dishoeck, Gerhard Schwehm, Kathrin Altwegg, Martin Rubin

arxiv:1512.01653 v1 · 2015-12-05 · 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{YW7KKKU54ODIKWXEML2YNNHQCF}

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	2026-05-18T01:25:10.732239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5bea52a9de386855ae462f586b4f0114dfd55803f7b9d1bec83878b0d6a0abd

Aliases

arxiv: 1512.01653 · arxiv_version: 1512.01653v1 · doi: 10.48550/arxiv.1512.01653 · pith_short_12: YW7KKKU54ODI · pith_short_16: YW7KKKU54ODIKWXE · pith_short_8: YW7KKKU5

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/YW7KKKU54ODIKWXEML2YNNHQCF \
  | 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: c5bea52a9de386855ae462f586b4f0114dfd55803f7b9d1bec83878b0d6a0abd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08e35e91f1f960a2b1a21b2bb126a00ee9449c7fd4e3ceeeafce1081db1745ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-12-05T11:50:29Z",
    "title_canon_sha256": "247a247fd45af489a8bf8c6d3591d758aef750517a61ad95a00f1b99cbf4fa7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01653",
    "kind": "arxiv",
    "version": 1
  }
}