Pith Number

pith:4MBW6NMT

pith:2015:4MBW6NMTDR643ZXAHM3TEUH7NU

not attested not anchored not stored refs pending

Limits and Signatures of Relativistic Spaceflight

Steven Wilkinson, Ulvi Yurtsever

arxiv:1503.05845 v3 · 2015-03-13 · gr-qc · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MBW6NMTDR643ZXAHM3TEUH7NU}

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

The Search for Technosignatures: a Review of Possibilities

Receipt and verification

First computed	2026-05-18T02:18:31.053837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3036f35931c7dcde6e03b373250ff6d03469f4721b3a6dbabc5171a0695b2bf

Aliases

arxiv: 1503.05845 · arxiv_version: 1503.05845v3 · doi: 10.48550/arxiv.1503.05845 · pith_short_12: 4MBW6NMTDR64 · pith_short_16: 4MBW6NMTDR643ZXA · pith_short_8: 4MBW6NMT

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/4MBW6NMTDR643ZXAHM3TEUH7NU \
  | 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: e3036f35931c7dcde6e03b373250ff6d03469f4721b3a6dbabc5171a0695b2bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73b99bb38bb977f128d86fbf8336c5c9111dd69ec95819a4719faa4c47dc9af6",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-13T23:17:10Z",
    "title_canon_sha256": "59771f271fa841de40a0e53dfe339ce0f3abe98f84a00c50fdfb25ef08b9211e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05845",
    "kind": "arxiv",
    "version": 3
  }
}