Pith Number

pith:PB6F4L7V

pith:2015:PB6F4L7VZ2KIYBMTOE7QBAY3AX

not attested not anchored not stored refs pending

Quantum Linear Gravity in de Sitter Universe On Bunch-Davies vacuum state

M.V. Takook, S. Rouhani

arxiv:1502.04814 v3 · 2015-02-17 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PB6F4L7VZ2KIYBMTOE7QBAY3AX}

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	2026-05-18T00:37:53.007735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787c5e2ff5ce948c0593713f00831b05c80820d384b3dad14e4a4104c3af779e

Aliases

arxiv: 1502.04814 · arxiv_version: 1502.04814v3 · doi: 10.48550/arxiv.1502.04814 · pith_short_12: PB6F4L7VZ2KI · pith_short_16: PB6F4L7VZ2KIYBMT · pith_short_8: PB6F4L7V

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/PB6F4L7VZ2KIYBMTOE7QBAY3AX \
  | 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: 787c5e2ff5ce948c0593713f00831b05c80820d384b3dad14e4a4104c3af779e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae9cd1519bb7f7a96d622f3de6c3d4bdb83499cbfdc234c6b3cb0a15da317b23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-17T07:22:15Z",
    "title_canon_sha256": "0b48263e84da188952d948b81a75bb7399546a55cb4f310605e751cf35d5ea86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04814",
    "kind": "arxiv",
    "version": 3
  }
}