Pith Number

pith:TN7IHMFM

pith:2021:TN7IHMFMEF7SAMZFZGFIIEODYJ

not attested not anchored not stored refs pending

The Dark Universe is not invisible

A. Argiriou, A. Gardikiotis, A. Kryemadhi, D.H.H. Hoffmann, D. Utz, E.L. Matteson, E.L. Valachovic, G. Cantatore, G. Tsiledakis, I. Tsagris, K. Ozbozduman, K. Zioutas, M. Karuza, M. Maroudas, M. Perryman, M. Tsagri, S.A. Cetin, S. Hofmann, T. Papaevangelou, V. Anastassopoulos, Y.K. Semertzidis

arxiv:2108.11647 v1 · 2021-08-26 · astro-ph.SR · astro-ph.CO · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TN7IHMFMEF7SAMZFZGFIIEODYJ}

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	2026-07-05T03:09:08.621368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b7e83b0ac217f203325c98a8411c3c245dc9a6207419c14d3f3013dfa653cdb

Aliases

arxiv: 2108.11647 · arxiv_version: 2108.11647v1 · doi: 10.48550/arxiv.2108.11647 · pith_short_12: TN7IHMFMEF7S · pith_short_16: TN7IHMFMEF7SAMZF · pith_short_8: TN7IHMFM

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/TN7IHMFMEF7SAMZFZGFIIEODYJ \
  | 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: 9b7e83b0ac217f203325c98a8411c3c245dc9a6207419c14d3f3013dfa653cdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b694d4baada815fa707821863a30176bed0e7f414bbf617247a52b53d3a69588",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-08-26T08:30:40Z",
    "title_canon_sha256": "682fb3a4c5df372b14b3211ced78115928eb8b8651029bf7903586e0965f1b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11647",
    "kind": "arxiv",
    "version": 1
  }
}