Pith Number

pith:VDYQPKA4

pith:2016:VDYQPKA4B2IKZDCUBQXMNXLBAD

not attested not anchored not stored refs pending

A Direct Probe of the Evolutionary History of the Primordial Universe

Mohammad Hossein Namjoo, Xingang Chen, Yi Wang

arxiv:1608.01299 v2 · 2016-08-03 · astro-ph.CO · gr-qc · hep-ph · 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{VDYQPKA4B2IKZDCUBQXMNXLBAD}

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	2026-05-18T01:09:41.226712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f107a81c0e90ac8c540c2ec6dd6100c5c57727652165fdd536e9638e190120

Aliases

arxiv: 1608.01299 · arxiv_version: 1608.01299v2 · doi: 10.48550/arxiv.1608.01299 · pith_short_12: VDYQPKA4B2IK · pith_short_16: VDYQPKA4B2IKZDCU · pith_short_8: VDYQPKA4

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/VDYQPKA4B2IKZDCUBQXMNXLBAD \
  | 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: a8f107a81c0e90ac8c540c2ec6dd6100c5c57727652165fdd536e9638e190120

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bb8862b6fbdb3a2b0894f11f58619cfd4523abbf2f0f68664f84705a75bccb7",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-08-03T19:37:55Z",
    "title_canon_sha256": "2147f43bb4034641d6a0f50812603d94f28ee5f50452d071acf3d787f0442ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01299",
    "kind": "arxiv",
    "version": 2
  }
}