Pith Number

pith:2DOPB26A

pith:2019:2DOPB26AKXWJUSUWXL2TJR3C2U

not attested not anchored not stored refs pending

Constraints on the Spin-Pole Orientation, Jet Morphology and Rotation of Interstellar Comet 2I/Borisov with Deep HST Imaging

Bryce T. Bolin, Carey M. Lisse

arxiv:1912.07386 v5 · 2019-12-13 · 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{2DOPB26AKXWJUSUWXL2TJR3C2U}

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	2026-07-05T01:24:29.164887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0dcf0ebc055ec9a4a96baf534c762d51f2967c34193ba7504be7a4ed2f1d731

Aliases

arxiv: 1912.07386 · arxiv_version: 1912.07386v5 · doi: 10.48550/arxiv.1912.07386 · pith_short_12: 2DOPB26AKXWJ · pith_short_16: 2DOPB26AKXWJUSUW · pith_short_8: 2DOPB26A

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/2DOPB26AKXWJUSUWXL2TJR3C2U \
  | 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: d0dcf0ebc055ec9a4a96baf534c762d51f2967c34193ba7504be7a4ed2f1d731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654c6a5c0f2f4b049d5b2b52f87f9c6761937fbbc71e79ddd118b2cd28307a4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-12-13T18:20:39Z",
    "title_canon_sha256": "d6640a80661767ce926cf5e5027c80c8e2826d97f9cc450eeae60e17e05bd062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07386",
    "kind": "arxiv",
    "version": 5
  }
}