Pith. sign in
Pith Number

pith:VF6CTRJJ

pith:2019:VF6CTRJJKJTDG246UYIGQOB5GP
not attested not anchored not stored refs pending

Detection of CN gas in Interstellar Object 2I/Borisov

Alan Fitzsimmons, Bin Yang, Colin Snodgrass, Cyrielle Opitom, Emmanuel Jehin, Jacqueline V. Keane, Jan T. Kleyna, Karen Meech, Marco Micheli, Olivier Hainaut, Youssef Moulane

arxiv:1909.12144 v2 · 2019-09-26 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VF6CTRJJKJTDG246UYIGQOB5GP}

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 2026-07-05T00:31:21.031206Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a97c29c5295266336b9ea61068383d33d6d627ab7d1ab6c9d69dc1ab015274a5

Aliases

arxiv: 1909.12144 · arxiv_version: 1909.12144v2 · doi: 10.48550/arxiv.1909.12144 · pith_short_12: VF6CTRJJKJTD · pith_short_16: VF6CTRJJKJTDG246 · pith_short_8: VF6CTRJJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VF6CTRJJKJTDG246UYIGQOB5GP \
  | 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: a97c29c5295266336b9ea61068383d33d6d627ab7d1ab6c9d69dc1ab015274a5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "68acc2076e0a0e021e4fdc87f2f72f1c12a3ecc283eed9cef6930afd6e261b97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-26T14:27:23Z",
    "title_canon_sha256": "618f551dc6a79a3853f0be9226158d8eaf6db61485c983251ac78f7b11fcf274"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12144",
    "kind": "arxiv",
    "version": 2
  }
}