Pith Number

pith:TANAOMCR

pith:2022:TANAOMCRXWU2VXY2TFXP72PP3K

not attested not anchored not stored refs pending

Estimate of the carbon footprint of astronomical research infrastructures

Annie Hughes, J\"urgen Kn\"odlseder, Luigi Tibaldo, Mickael Coriat, Philippe Garnier, Pierrick Martin, Sylvie Brau-Nogu\'e

arxiv:2201.08748 v2 · 2022-01-21 · 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{TANAOMCRXWU2VXY2TFXP72PP3K}

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	2026-07-05T04:08:28.364137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

981a073051bda9aadf1a996effe9efda97280ee5399ef002951417bcf80d551e

Aliases

arxiv: 2201.08748 · arxiv_version: 2201.08748v2 · doi: 10.48550/arxiv.2201.08748 · pith_short_12: TANAOMCRXWU2 · pith_short_16: TANAOMCRXWU2VXY2 · pith_short_8: TANAOMCR

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/TANAOMCRXWU2VXY2TFXP72PP3K \
  | 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: 981a073051bda9aadf1a996effe9efda97280ee5399ef002951417bcf80d551e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22fe9f58eb307a7d386a45693189dd3e1c03e8e9a2578cd9cd2f93e78212fd8e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-01-21T15:42:03Z",
    "title_canon_sha256": "f6184f7b19f8cba3aa6301ac2b1ca5a29abe42bc6f894588b0903c5dcc898aeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.08748",
    "kind": "arxiv",
    "version": 2
  }
}