Pith Number

pith:OD5SR5EW

pith:2020:OD5SR5EWSY5G7I2PWLRERCR43O

not attested not anchored not stored refs pending

The carbon monoxide-rich interstellar comet 2I/Borisov

D. Bodewits, D. Farnocchia, J. Wm. Parker, J. W. Noonan, J.-Y. Li, K. E. Mandt, M. T. Bannister, P. D. Feldman, W. M. Harris, Z. Xing

arxiv:2004.08972 v1 · 2020-04-19 · 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{OD5SR5EWSY5G7I2PWLRERCR43O}

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.

Cited by

1 paper in Pith

C/O ratios in self-gravitating protoplanetary discs with dust evolution

Receipt and verification

First computed	2026-07-05T00:56:11.878608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70fb28f496963a6fa34fb2e2488a3cdb9c748e3cdb305b356cc9ba70d297d6dc

Aliases

arxiv: 2004.08972 · arxiv_version: 2004.08972v1 · doi: 10.48550/arxiv.2004.08972 · pith_short_12: OD5SR5EWSY5G · pith_short_16: OD5SR5EWSY5G7I2P · pith_short_8: OD5SR5EW

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/OD5SR5EWSY5G7I2PWLRERCR43O \
  | 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: 70fb28f496963a6fa34fb2e2488a3cdb9c748e3cdb305b356cc9ba70d297d6dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f531c196f7366126ef43e0a8fbbf54f7e1b948b4ee93936d793c546f77cf5d06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-04-19T22:05:34Z",
    "title_canon_sha256": "ce0d0ef082f8a4eeb563f655054378b4f1baccda2a0f296fe9eb558fc7cd0e08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08972",
    "kind": "arxiv",
    "version": 1
  }
}