Pith Number

pith:3TMPYOX3

pith:2018:3TMPYOX3JEP6IBFJPJZILOSQEL

not attested not anchored not stored refs pending

Dark Energy in the Swampland

Alexandre Refregier, Lavinia Heisenberg, Matthias Bartelmann, Robert Brandenberger

arxiv:1808.02877 v2 · 2018-08-08 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TMPYOX3JEP6IBFJPJZILOSQEL}

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

Axions as Dark Matter, Dark Energy, and Dark Radiation

Bounding axion dark energy

Receipt and verification

First computed	2026-05-17T23:58:38.237576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcd8fc3afb491fe404a97a7285ba5022fad05fc4ade6b60a8e7d9118ca0eb7a4

Aliases

arxiv: 1808.02877 · arxiv_version: 1808.02877v2 · doi: 10.48550/arxiv.1808.02877 · pith_short_12: 3TMPYOX3JEP6 · pith_short_16: 3TMPYOX3JEP6IBFJ · pith_short_8: 3TMPYOX3

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/3TMPYOX3JEP6IBFJPJZILOSQEL \
  | 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: dcd8fc3afb491fe404a97a7285ba5022fad05fc4ade6b60a8e7d9118ca0eb7a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15c777ead6b8f9c0a7b02ba4a03ae3a3268de906af65dcdd59bc3f86f3b23875",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-08-08T17:44:46Z",
    "title_canon_sha256": "7c951667bb22bfb7f717ee4073cf53e956f739679b4d150a5006e04bf6f8c716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02877",
    "kind": "arxiv",
    "version": 2
  }
}