Pith Number

pith:PGCYFH5S

pith:2018:PGCYFH5SB3WSU2QFY57SYKHNU4

not attested not anchored not stored refs pending

Feasible platform to study negative temperatures

C. J. Villas-Boas, N. G. de Almeida, R. J. de Assis

arxiv:1805.09936 v1 · 2018-05-25 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGCYFH5SB3WSU2QFY57SYKHNU4}

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	2026-05-17T23:45:38.388433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7985829fb20eed2a6a05c77f2c28eda70feb77442d38caef1cb5232b884cd86f

Aliases

arxiv: 1805.09936 · arxiv_version: 1805.09936v1 · doi: 10.48550/arxiv.1805.09936 · pith_short_12: PGCYFH5SB3WS · pith_short_16: PGCYFH5SB3WSU2QF · pith_short_8: PGCYFH5S

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/PGCYFH5SB3WSU2QFY57SYKHNU4 \
  | 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: 7985829fb20eed2a6a05c77f2c28eda70feb77442d38caef1cb5232b884cd86f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa6c4e8b6eb5e29233964fe62bb572eba85ad9678280a0685c32c6270ee7619d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-25T00:12:14Z",
    "title_canon_sha256": "c50cca62c8237ba2fd43c610048c60fa5ce0091d62904c1b39545d57667765ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09936",
    "kind": "arxiv",
    "version": 1
  }
}