Pith Number

pith:EBCHRM72

pith:2011:EBCHRM723ZS4IZPSNEPG6L5L4B

not attested not anchored not stored refs pending

The Illumination and Growth of CRL 2688: An Analysis of New & Archival HST Observations

Adam Frank, Bruce Balick, Dejan Vinkovi\'c, Javier Alcolea, Romano L.M. Corradi, Thomas Gomez

arxiv:1110.5678 v1 · 2011-10-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBCHRM723ZS4IZPSNEPG6L5L4B}

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	2026-05-18T02:00:03.800114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

204478b3fade65c465f2691e6f2fabe0432724a652d654c0e4d0ff39795520ee

Aliases

arxiv: 1110.5678 · arxiv_version: 1110.5678v1 · doi: 10.48550/arxiv.1110.5678 · pith_short_12: EBCHRM723ZS4 · pith_short_16: EBCHRM723ZS4IZPS · pith_short_8: EBCHRM72

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/EBCHRM723ZS4IZPSNEPG6L5L4B \
  | 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: 204478b3fade65c465f2691e6f2fabe0432724a652d654c0e4d0ff39795520ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76bc4bd5f2d80a8f389e2e5d03de4365f18284a82c2700ee4464c44263fd9c5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-25T22:55:05Z",
    "title_canon_sha256": "4132800d365c2852f06152509856a3b57566959a49cae14843eecc264bd37c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5678",
    "kind": "arxiv",
    "version": 1
  }
}