Pith Number

pith:T4QBCBRA

pith:2011:T4QBCBRABC2Z5NNPZ44ULWUAI7

not attested not anchored not stored refs pending

The mean infrared emission of SagittariusA*

A. Alberdi, A. Eckart, D. Y. Gezari, K. Muzic, L. Meyer, M. R. Morris, R. Schoedel

arxiv:1106.5690 v1 · 2011-06-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4QBCBRABC2Z5NNPZ44ULWUAI7}

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	2026-05-18T02:01:29.823724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2011062008b59eb5afcf3945da8047ead0fc0081d0ed0359e1a0a261a6924d

Aliases

arxiv: 1106.5690 · arxiv_version: 1106.5690v1 · doi: 10.48550/arxiv.1106.5690 · pith_short_12: T4QBCBRABC2Z · pith_short_16: T4QBCBRABC2Z5NNP · pith_short_8: T4QBCBRA

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/T4QBCBRABC2Z5NNPZ44ULWUAI7 \
  | 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: 9f2011062008b59eb5afcf3945da8047ead0fc0081d0ed0359e1a0a261a6924d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd5478999c4d7dac5d6a4599db3f901d52648fcf7d55539cd46e374674fff03d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-06-28T14:51:52Z",
    "title_canon_sha256": "7583a240052024ee06b86d4bd228d479d90db06afe91b8fe9b6d5430f328bd84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5690",
    "kind": "arxiv",
    "version": 1
  }
}