Pith Number

pith:6KHKBF7A

pith:2018:6KHKBF7AB7NMGFJI4NI6N5ODII

not attested not anchored not stored refs pending

Constant-roll tachyon inflation and observational constraints

Qin Fei, Qing Gao, Yungui Gong

arxiv:1801.09208 v2 · 2018-01-28 · gr-qc · astro-ph.CO · 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{6KHKBF7AB7NMGFJI4NI6N5ODII}

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	2026-05-18T00:17:01.337994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f28ea097e00fdac31528e351e6f5c3420f53c81db2fa6ee53569463480dbdce6

Aliases

arxiv: 1801.09208 · arxiv_version: 1801.09208v2 · doi: 10.48550/arxiv.1801.09208 · pith_short_12: 6KHKBF7AB7NM · pith_short_16: 6KHKBF7AB7NMGFJI · pith_short_8: 6KHKBF7A

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/6KHKBF7AB7NMGFJI4NI6N5ODII \
  | 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: f28ea097e00fdac31528e351e6f5c3420f53c81db2fa6ee53569463480dbdce6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda3ff50bdc15c996f42cf974045ee6773767ea69f28f24257d8fd67a70bb149",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-28T11:10:09Z",
    "title_canon_sha256": "0a2f9532172369b0c161576e1271b814bda6fe625dd2e6295e859afaad2983ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09208",
    "kind": "arxiv",
    "version": 2
  }
}