Pith Number

pith:XFTIIWM2

pith:2007:XFTIIWM2DAK7JVB67E3O72YBXD

not attested not anchored not stored refs pending

Cherenkov Telescope Array: The next-generation ground-based gamma-ray observatory

G. Hermann, M. Teshima (for the CTA Consortium), T. Schweizer, W. Hofmann

arxiv:0709.2048 v1 · 2007-09-13 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFTIIWM2DAK7JVB67E3O72YBXD}

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	2026-07-04T23:54:35.380753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96684599a1815f4d43ef936efeb01b8dee21a9ff891064bd652ccd57a31bb90

Aliases

arxiv: 0709.2048 · arxiv_version: 0709.2048v1 · doi: 10.48550/arxiv.0709.2048 · pith_short_12: XFTIIWM2DAK7 · pith_short_16: XFTIIWM2DAK7JVB6 · pith_short_8: XFTIIWM2

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/XFTIIWM2DAK7JVB67E3O72YBXD \
  | 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: b96684599a1815f4d43ef936efeb01b8dee21a9ff891064bd652ccd57a31bb90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c05e964b221a2d75b25872a9c5f93eaed606446e42b6b891240f98be8a72f76d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-13T15:34:32Z",
    "title_canon_sha256": "72f549108049dfc489ea9ec47c6a0b46323726fac3f491bd5dbf58aaaecdede9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.2048",
    "kind": "arxiv",
    "version": 1
  }
}