Pith Number

pith:VNC54TYS

pith:2012:VNC54TYSHR7ORCO5G5JFSKS5FG

not attested not anchored not stored refs pending

Using ACIS on the Chandra X-ray Observatory as a particle radiation monitor II

C. E. Grant, M. W. Bautz, P. G. Ford, S. L. O'Dell

arxiv:1207.3329 v1 · 2012-07-13 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNC54TYSHR7ORCO5G5JFSKS5FG}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:56:23.823731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab45de4f123c7ee889dd3752592a5d29bce53167cec1d650e556065c7a53cfd5

Aliases

arxiv: 1207.3329 · arxiv_version: 1207.3329v1 · doi: 10.48550/arxiv.1207.3329 · pith_short_12: VNC54TYSHR7O · pith_short_16: VNC54TYSHR7ORCO5 · pith_short_8: VNC54TYS

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/VNC54TYSHR7ORCO5G5JFSKS5FG \
  | 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: ab45de4f123c7ee889dd3752592a5d29bce53167cec1d650e556065c7a53cfd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94edff5df2aa2a993a960e7e04b52862281edba5902034b859219c7ea99426f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-13T19:05:45Z",
    "title_canon_sha256": "408ca8fcbd094bc67e7ab2c59f45f399fa446017a815110f9b6855087aadf5c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3329",
    "kind": "arxiv",
    "version": 1
  }
}