Pith Number

pith:MC7QUW4T

pith:2017:MC7QUW4TMF7TEFE2O6WB26TQOY

not attested not anchored not stored refs pending

New limits on cosmic strings from gravitational wave observation

Jose J. Blanco-Pillado, Ken D. Olum, Xavier Siemens

arxiv:1709.02434 v2 · 2017-09-07 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MC7QUW4TMF7TEFE2O6WB26TQOY}

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

2 papers in Pith

Waveform Modelling for the Laser Interferometer Space Antenna

Constraints on Primordial Black Holes

Receipt and verification

First computed	2026-07-05T00:55:54.123577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60bf0a5b93617f32149a77ac1d7a7076060af586be634e17001adf42f0771003

Aliases

arxiv: 1709.02434 · arxiv_version: 1709.02434v2 · doi: 10.48550/arxiv.1709.02434 · pith_short_12: MC7QUW4TMF7T · pith_short_16: MC7QUW4TMF7TEFE2 · pith_short_8: MC7QUW4T

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/MC7QUW4TMF7TEFE2O6WB26TQOY \
  | 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: 60bf0a5b93617f32149a77ac1d7a7076060af586be634e17001adf42f0771003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4acab74bc440ef047043bed4709c5473894790f352058a7c4f75bfee3c38ac3a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-07T20:08:59Z",
    "title_canon_sha256": "0ce330ac0a40984b671d6b2c1e1d58b70254bd8400c0f0478ada1b7c390965b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02434",
    "kind": "arxiv",
    "version": 2
  }
}