DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF RIZAL Award a ₱791.8K contract to HANNAHZIEL BUILDERS AND SUPPLYProvinces
Transaction hash:
499aaf7398f942e77ebb7bcdd99ac2f14dc6b71997a39f25bfbb0aed822c8f0b
Status:
Included and unchanged
Block:
#1,680 4,333 blocks after it
Position in block:
Transaction 44 of 123
Award day:
Feb 14, 2013 (13 yrs 8 mo ago)
From:
Value:
₱791,754.14
Project:
Impr./Conc. (portion) of Macopa St., Saint Jude Th
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #1,680 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF RIZAL awarded it to HANNAHZIEL BUILDERS AND SUPPLY on 2013-02-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Rizal gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 499aaf7398…2c8f0bnow …
- 2. Block Merkle root changedstored e3dc74abca…2f39c7now …
- 3. Block #1680 hash changedstored 42232ee636…c46af1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 122 records. Each step hashes the current value together with the sibling shown.
- leaf 499aaf7398f942e77ebb7bcdd99ac2f14dc6b71997a39f25bfbb0aed822c8f0b
- 01 R 4e09e86a8bba721b4499c3a5950b45840ba6aead3f0d4471151dafbc99127ca1
- 02 R 71fcb92cb531ed1a5206a33f698392410c3e2bbf2696dee9d51bebe255f60b48
- 03 L 8bae57b558a2d5960bcc2b7666281c9609ed1364e104387fa3151d0200350fa0
- 04 L 23944828308143bd87ad0ac48aa53a4c4e146225f78c5ca8eec52db99e9fcdf6
- 05 R c93af3665894ee75698373cb115b48cf38f803cc5a630a75d7c9e64d3231c25a
- 06 L 81bc27281ee4376a8aedc2aff26b48553ecc40ecf5581eb86735bb355853000d
- 07 R 53219f0ce00ede32f5514554e4448dbeb6811822d23f4997c1cf8ac56dffc42c
- root e3dc74abca62c5f5da5dcc4986a0acbee1b492cb78ad6250b96b74b5c52f39c7