Pith Number

pith:TEAHJWQH

pith:2015:TEAHJWQHOBIVYKC2I4G44N6WTA

not attested not anchored not stored refs pending

Mapping the Dynamics of Cold Gas around Sgr A* through 21 cm Absorption

Abraham Loeb, Pierre Christian

arxiv:1509.06790 v2 · 2015-09-22 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEAHJWQHOBIVYKC2I4G44N6WTA}

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	2026-05-18T01:26:41.425575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

990074da0770515c285a470dce37d69813821b5acf2c2cf4d367f0e165d9612f

Aliases

arxiv: 1509.06790 · arxiv_version: 1509.06790v2 · doi: 10.48550/arxiv.1509.06790 · pith_short_12: TEAHJWQHOBIV · pith_short_16: TEAHJWQHOBIVYKC2 · pith_short_8: TEAHJWQH

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/TEAHJWQHOBIVYKC2I4G44N6WTA \
  | 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: 990074da0770515c285a470dce37d69813821b5acf2c2cf4d367f0e165d9612f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d13ae5c4803a7736a40a6ccae1b1fd42870737fa29c14c5f943442ac9531bc54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-09-22T21:15:01Z",
    "title_canon_sha256": "9a1dc398052a6e9cbcd5c8603bef55bd36ced5f5a6521d9db2c2c62d7ed46e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06790",
    "kind": "arxiv",
    "version": 2
  }
}