Pith Number

pith:OJ6HREXF

pith:2015:OJ6HREXF6JNICTCVBLCVZ4JXHZ

not attested not anchored not stored refs pending

Quantum coherent oscillations in the early universe

Abraham Loeb, Igor Pikovski

arxiv:1509.08895 v1 · 2015-09-29 · astro-ph.CO · gr-qc · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJ6HREXF6JNICTCVBLCVZ4JXHZ}

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	2026-05-18T01:13:16.562076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

727c7892e5f25a814c550ac55cf1373e57797073114e02eaead0025b72461f08

Aliases

arxiv: 1509.08895 · arxiv_version: 1509.08895v1 · doi: 10.48550/arxiv.1509.08895 · pith_short_12: OJ6HREXF6JNI · pith_short_16: OJ6HREXF6JNICTCV · pith_short_8: OJ6HREXF

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/OJ6HREXF6JNICTCVBLCVZ4JXHZ \
  | 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: 727c7892e5f25a814c550ac55cf1373e57797073114e02eaead0025b72461f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62dd8db1436a248c83a811b04512e7125c42027b75ec2c5ef8e7a57f9d77902c",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-09-29T19:21:30Z",
    "title_canon_sha256": "95ed25944eb3a00a023e1b9ef5733b2e57bbe825319ebdefcf3373fea89fff5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08895",
    "kind": "arxiv",
    "version": 1
  }
}