Pith Number

pith:NTGIEH2T

pith:2021:NTGIEH2TQ6I54KKWXCV3U3F2ZC

not attested not anchored not stored refs pending

Does Planck Actually "See" the Bunch-Davies State?

Benoit J. Richard, Nadia Bolis, R. Holman, Rose Baunach, Stacie Moltner

arxiv:2104.13410 v2 · 2021-04-27 · hep-th · astro-ph.CO · 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{NTGIEH2TQ6I54KKWXCV3U3F2ZC}

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	2026-07-05T03:03:28.319360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ccc821f538791de2956b8abba6cbac891a20a72d1328dd4f2c1a68d861d0a98

Aliases

arxiv: 2104.13410 · arxiv_version: 2104.13410v2 · doi: 10.48550/arxiv.2104.13410 · pith_short_12: NTGIEH2TQ6I5 · pith_short_16: NTGIEH2TQ6I54KKW · pith_short_8: NTGIEH2T

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/NTGIEH2TQ6I54KKWXCV3U3F2ZC \
  | 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: 6ccc821f538791de2956b8abba6cbac891a20a72d1328dd4f2c1a68d861d0a98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d6d8d664615d4e2eb68e4fac6b60566dc4b5242757c95351dc6be3be12a9ea",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-04-27T18:09:08Z",
    "title_canon_sha256": "816d09470fbc2beaaea4ca6e4e1d43789c5bdf0a802a78c891065042190923c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13410",
    "kind": "arxiv",
    "version": 2
  }
}