Pith Number

pith:27TBC5NY

pith:2021:27TBC5NYK2WWQVSZZFGL4YXAIU

not attested not anchored not stored refs pending

The dark mass signature in the orbit of S2

Fr\'ed\'eric Vincent, Gernot Hei{\ss}el, Guy Perrin, Thibaut Paumard

arxiv:2112.07778 v1 · 2021-12-14 · astro-ph.GA · astro-ph.HE · astro-ph.IM · 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{27TBC5NYK2WWQVSZZFGL4YXAIU}

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.

Cited by

1 paper in Pith

Constraining Ultralight Scalar Dark Matter in the Galactic Center with the S2 Orbit

Receipt and verification

First computed	2026-07-05T04:15:52.510059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7e61175b856ad685659c94cbe62e045352741a56d76c635c86cb583c9f3e076

Aliases

arxiv: 2112.07778 · arxiv_version: 2112.07778v1 · doi: 10.48550/arxiv.2112.07778 · pith_short_12: 27TBC5NYK2WW · pith_short_16: 27TBC5NYK2WWQVSZ · pith_short_8: 27TBC5NY

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/27TBC5NYK2WWQVSZZFGL4YXAIU \
  | 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: d7e61175b856ad685659c94cbe62e045352741a56d76c635c86cb583c9f3e076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e40e56d9aed589b1fd5550a8e7b6a77f5eb33d512142f215c6f87ed56ecef47",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-14T22:57:09Z",
    "title_canon_sha256": "3e97825418483811c5363f18170681d41f26b8e66fac5ca84ab3623df7ad63b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07778",
    "kind": "arxiv",
    "version": 1
  }
}