Pith Number

pith:U63ZOJIP

pith:2017:U63ZOJIPETJ6UIJ6VWXZ4REES4

not attested not anchored not stored refs pending

On the absence of pulses from pulsars

Vishal Gajjar

arxiv:1706.05407 v1 · 2017-06-16 · 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{U63ZOJIPETJ6UIJ6VWXZ4REES4}

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	2026-05-18T00:42:11.736550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7b797250f24d3ea213eadaf9e4484971463b6ed71dd8dac8c936e7fe7c325e9

Aliases

arxiv: 1706.05407 · arxiv_version: 1706.05407v1 · doi: 10.48550/arxiv.1706.05407 · pith_short_12: U63ZOJIPETJ6 · pith_short_16: U63ZOJIPETJ6UIJ6 · pith_short_8: U63ZOJIP

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/U63ZOJIPETJ6UIJ6VWXZ4REES4 \
  | 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: a7b797250f24d3ea213eadaf9e4484971463b6ed71dd8dac8c936e7fe7c325e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76c7fb03293350aeee8f2e82bdbb640cbf51322346f03dbbb433dc06e5a5d448",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-16T19:03:16Z",
    "title_canon_sha256": "00d8812197eceaf6122ed61fb02e87ca18ca78b19c25dc6b0c4f409aa4eb159b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05407",
    "kind": "arxiv",
    "version": 1
  }
}