Pith Number

pith:PUAPUUZS

pith:2011:PUAPUUZSYKMT5BY5VXJKYECWM5

not attested not anchored not stored refs pending

What we don't know about time

Vijay Balasubramanian

arxiv:1107.2897 v1 · 2011-07-14 · hep-th · physics.hist-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{PUAPUUZSYKMT5BY5VXJKYECWM5}

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	2026-05-18T02:01:16.855199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d00fa5332c2993e871dadd2ac10566765a8fff2d26aea5cb568d084a1f0272e

Aliases

arxiv: 1107.2897 · arxiv_version: 1107.2897v1 · doi: 10.48550/arxiv.1107.2897 · pith_short_12: PUAPUUZSYKMT · pith_short_16: PUAPUUZSYKMT5BY5 · pith_short_8: PUAPUUZS

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/PUAPUUZSYKMT5BY5VXJKYECWM5 \
  | 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: 7d00fa5332c2993e871dadd2ac10566765a8fff2d26aea5cb568d084a1f0272e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ac5bac30e44da6997d701192645a0c7879cc8b61ed71cf72c855237a1e174b",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-07-14T19:01:41Z",
    "title_canon_sha256": "c13a1da31e1a02afac87788caaf0fd9103f924161ee91d92162a9c5fde26ebd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2897",
    "kind": "arxiv",
    "version": 1
  }
}