Pith Number

pith:A2AVCZL5

pith:2018:A2AVCZL55VXOW5OCPI4TDLRVFE

not attested not anchored not stored refs pending

A dynamical context for the origin of Phobos and Deimos

Bradley M. S. Hansen

arxiv:1801.07775 v1 · 2018-01-23 · 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{A2AVCZL55VXOW5OCPI4TDLRVFE}

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	2026-05-18T00:25:10.898760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

068151657ded6eeb75c27a3931ae35293fc04e335e070026299f1f326c8bcec4

Aliases

arxiv: 1801.07775 · arxiv_version: 1801.07775v1 · doi: 10.48550/arxiv.1801.07775 · pith_short_12: A2AVCZL55VXO · pith_short_16: A2AVCZL55VXOW5OC · pith_short_8: A2AVCZL5

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/A2AVCZL55VXOW5OCPI4TDLRVFE \
  | 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: 068151657ded6eeb75c27a3931ae35293fc04e335e070026299f1f326c8bcec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4b533123d17b2cab0dc42ff9c509dcb74ba5b22080a8a44c6119de3394ea2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-23T21:03:48Z",
    "title_canon_sha256": "34c08c7b495f84379da520c9a49f501c68fe63c5910e4a5db1134ab127901baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07775",
    "kind": "arxiv",
    "version": 1
  }
}