Pith Number

pith:TF77A64E

pith:2009:TF77A64EUICFKURQC3R6M52DG7

not attested not anchored not stored refs pending

The role of environment in the morphological transformation of galaxies in 9 intermediate redshift clusters

G.Foex, G.Soucail, M.Huertas-Company, R.Pello

arxiv:0907.3905 v1 · 2009-07-22 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TF77A64EUICFKURQC3R6M52DG7}

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	2026-05-18T02:12:54.559165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997ff07b84a20455523016e3e6774337f87cb3ec88ae9b880ac77be26d9f4543

Aliases

arxiv: 0907.3905 · arxiv_version: 0907.3905v1 · doi: 10.48550/arxiv.0907.3905 · pith_short_12: TF77A64EUICF · pith_short_16: TF77A64EUICFKURQ · pith_short_8: TF77A64E

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/TF77A64EUICFKURQC3R6M52DG7 \
  | 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: 997ff07b84a20455523016e3e6774337f87cb3ec88ae9b880ac77be26d9f4543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85dadab71c0f6629d134795a8786bd476362795835e29c07aa68da79b350a216",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-22T19:00:17Z",
    "title_canon_sha256": "d116c9177c388a2e69da9f70354c357db297b62b4c0da186ecef64b169bfaecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3905",
    "kind": "arxiv",
    "version": 1
  }
}