Pith Number

pith:C7DKGSNK

pith:2012:C7DKGSNK7LYM6BV22IJT72PJHB

not attested not anchored not stored refs pending

Absence of arsenate in DNA from arsenate-grown GFAJ-1 cells

J. D. Rabinowitz, L. Kruglyak, M. L. Reaves, R. J. Redfield, S. Sinha

arxiv:1201.6643 v2 · 2012-01-31 · q-bio.BM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7DKGSNK7LYM6BV22IJT72PJHB}

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	2026-05-18T01:58:37.370155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c6a349aafaf0cf06bad2133fe9e93871a23f57ff0b4d67162a806a7995d082

Aliases

arxiv: 1201.6643 · arxiv_version: 1201.6643v2 · doi: 10.48550/arxiv.1201.6643 · pith_short_12: C7DKGSNK7LYM · pith_short_16: C7DKGSNK7LYM6BV2 · pith_short_8: C7DKGSNK

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/C7DKGSNK7LYM6BV22IJT72PJHB \
  | 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: 17c6a349aafaf0cf06bad2133fe9e93871a23f57ff0b4d67162a806a7995d082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9f26bc69f1c3a6ba386acc5e421731c8ae659205d225b20d1352707ff1c657f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.BM",
    "submitted_at": "2012-01-31T18:37:30Z",
    "title_canon_sha256": "8b9053c26d0cced7c04a171308c3b43b0db9667767b32c7e73c297cdbf53e309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6643",
    "kind": "arxiv",
    "version": 2
  }
}