Pith Number

pith:W5K4BWEO

pith:2016:W5K4BWEOKOCXQB6O73TMNQYFBK

not attested not anchored not stored refs pending

The interaction of relativistic spacecrafts with the interstellar medium

Abraham Loeb, A. Lazarian, Blakesley Burkhart, Thiem Hoang

arxiv:1608.05284 v2 · 2016-08-18 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5K4BWEOKOCXQB6O73TMNQYFBK}

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	2026-05-18T00:49:16.088803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b755c0d88e53857807cefee6c6c3050abb0192de20143aebb056d625e4e0c569

Aliases

arxiv: 1608.05284 · arxiv_version: 1608.05284v2 · doi: 10.48550/arxiv.1608.05284 · pith_short_12: W5K4BWEOKOCX · pith_short_16: W5K4BWEOKOCXQB6O · pith_short_8: W5K4BWEO

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/W5K4BWEOKOCXQB6O73TMNQYFBK \
  | 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: b755c0d88e53857807cefee6c6c3050abb0192de20143aebb056d625e4e0c569

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb0d29246435dead84a703e3cc6e2e8011d3bcce6e8f3b1dad2dbc9bd39fb1e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-08-18T14:54:04Z",
    "title_canon_sha256": "e478b89c0f07289a0893fc5ae31bf13175d0ec03f562c87bf6e4f065c07618af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05284",
    "kind": "arxiv",
    "version": 2
  }
}