Pith Number

pith:HEDDZBQD

pith:2011:HEDDZBQDIHDWZTMMOXTF5KFYBS

not attested not anchored not stored refs pending

Using negative detections to estimate source finder reliability

L. Floer, P. Serra, R. Jurek

arxiv:1112.3162 v1 · 2011-12-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HEDDZBQDIHDWZTMMOXTF5KFYBS}

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	2026-05-18T01:59:10.267008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39063c860341c76ccd8c75e65ea8b80c983cea92630c0b955251290053e38b5c

Aliases

arxiv: 1112.3162 · arxiv_version: 1112.3162v1 · doi: 10.48550/arxiv.1112.3162 · pith_short_12: HEDDZBQDIHDW · pith_short_16: HEDDZBQDIHDWZTMM · pith_short_8: HEDDZBQD

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/HEDDZBQDIHDWZTMMOXTF5KFYBS \
  | 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: 39063c860341c76ccd8c75e65ea8b80c983cea92630c0b955251290053e38b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9df8df33f8f43bcc6326a84f541c6302655f05e1ee880310ada8f3795b797fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-12-14T10:39:46Z",
    "title_canon_sha256": "5b9f69567b3130fc16dc03be91cdc335abaed8e69cd443a186cfa42932a419c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3162",
    "kind": "arxiv",
    "version": 1
  }
}