Pith Number

pith:ZTJHHVJI

pith:2010:ZTJHHVJI3IEHHGAJMEMA44TH5C

not attested not anchored not stored refs pending

Gas circulation and galaxy evolution

Filippo Fraternali (University of Bologna)

arxiv:1001.3879 v1 · 2010-01-21 · astro-ph.CO · 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{ZTJHHVJI3IEHHGAJMEMA44TH5C}

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	2026-05-18T02:09:31.313233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd273d528da0873980961180e7267e8bfd6a8da46596809ca21e928a128ce3d

Aliases

arxiv: 1001.3879 · arxiv_version: 1001.3879v1 · doi: 10.48550/arxiv.1001.3879 · pith_short_12: ZTJHHVJI3IEH · pith_short_16: ZTJHHVJI3IEHHGAJ · pith_short_8: ZTJHHVJI

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/ZTJHHVJI3IEHHGAJMEMA44TH5C \
  | 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: ccd273d528da0873980961180e7267e8bfd6a8da46596809ca21e928a128ce3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1ee4102fa7c2d3d8dc387b7735aa60fbf62ee725354fb16a03a7c4e59807ca",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-21T21:08:54Z",
    "title_canon_sha256": "ab735a05d980e266cc21a75feb3b6e29f9b6d445906346c565c52d9efc8efe53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3879",
    "kind": "arxiv",
    "version": 1
  }
}