Pith Number

pith:O63PWBLO

pith:2021:O63PWBLOZWR546AQWBMA7FI7AB

not attested not anchored not stored refs pending

Constraints on Weak Supernova Kicks from Observed Pulsar Velocities

Adam Deller, Alejandro Vigna-G\'omez, Eric Thrane, Ilya Mandel, Reinhold Willcox, Simon Stevenson

arxiv:2107.04251 v2 · 2021-07-09 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O63PWBLOZWR546AQWBMA7FI7AB}

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	2026-07-05T03:24:12.285532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b6fb056ecda3de7810b0580f951f004372f7e8701a0cc2a128f5e537fe750a

Aliases

arxiv: 2107.04251 · arxiv_version: 2107.04251v2 · doi: 10.48550/arxiv.2107.04251 · pith_short_12: O63PWBLOZWR5 · pith_short_16: O63PWBLOZWR546AQ · pith_short_8: O63PWBLO

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/O63PWBLOZWR546AQWBMA7FI7AB \
  | 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: 77b6fb056ecda3de7810b0580f951f004372f7e8701a0cc2a128f5e537fe750a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b98ad5f5a5bf170e7b976afac123b8a0587c15021a53522b82bed8019062714a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-09T06:52:07Z",
    "title_canon_sha256": "c8027a8db847207ffd7ce1c2bdd80fe06dbcd3f487f3e5dc403c8d6a25136fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.04251",
    "kind": "arxiv",
    "version": 2
  }
}