Pith Number

pith:A775TGWJ

pith:2019:A775TGWJXFMDUAGIEYZOFKFEEA

not attested not anchored not stored refs pending

Direct Acceleration: Cosmic and Exoplanet Synergies

Aakash Ravi, Alex Kim, Benjamin Safdi, David Erskine, David Phillips, Emmanuel Schaan, Eric Linder, Hamish Silverwood, Malte Buschmann, Philip Muirhead, Richard Easther, Ronald Walsworth, Simone Ferraro

arxiv:1903.05656 v1 · 2019-03-13 · astro-ph.IM · astro-ph.CO · 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{A775TGWJXFMDUAGIEYZOFKFEEA}

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	2026-05-17T23:51:16.669332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ffd99ac9b9583a00c82632e2a8a42021ffb433b1fd635264501e56056c09b6

Aliases

arxiv: 1903.05656 · arxiv_version: 1903.05656v1 · doi: 10.48550/arxiv.1903.05656 · pith_short_12: A775TGWJXFMD · pith_short_16: A775TGWJXFMDUAGI · pith_short_8: A775TGWJ

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/A775TGWJXFMDUAGIEYZOFKFEEA \
  | 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: 07ffd99ac9b9583a00c82632e2a8a42021ffb433b1fd635264501e56056c09b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80407fda51f16aafc4478af6be98b68cea48b59fe3db50611206705d64b8f092",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-13T18:04:51Z",
    "title_canon_sha256": "7eed515edb9a3c6e09d9f0ee925c4fce547a4416d4f544290dc1461a53a5b59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05656",
    "kind": "arxiv",
    "version": 1
  }
}