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
CITY OF ANTIPOLO, RIZAL Award a ₱3.7M contract to HANNAHZIEL BUILDERS AND SUPPLYCities
Transaction hash:
183f0aabf97bbfdec8482d26e5af92e07a496ec9d091e269339a6e1c4c4fcba4
Status:
Included and unchanged
Block:
#2,372 3,641 blocks after it
Position in block:
Transaction 16 of 124
Award day:
Apr 7, 2015 (11 yrs 7 mo ago)
Value:
₱3,674,403.97
Project:
Rehab./Repair/Construction of Footbridge Damaged b
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 #2,372 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)CITY OF ANTIPOLO, RIZAL awarded it to HANNAHZIEL BUILDERS AND SUPPLY on 2015-04-07.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 City of Antipolo gave a "qualified" 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 183f0aabf9…4fcba4now …
- 2. Block Merkle root changedstored 5f498266b9…c2ef9bnow …
- 3. Block #2372 hash changedstored f5f5ba4562…256441now …
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 123 records. Each step hashes the current value together with the sibling shown.
- leaf 183f0aabf97bbfdec8482d26e5af92e07a496ec9d091e269339a6e1c4c4fcba4
- 01 R 1c570d41c53bd86cd4f701a62895bd8d2e340a04952cbba73cd156ea69e61b36
- 02 R bec39afcefa9e54853f978de0e85931630d130368c5adcee6067473959a02f5b
- 03 R d0f38ef7c0d92b631badbbc16c8dc641498c9830d639b90b88a2b91caf0041ab
- 04 R 1738ea2e96c180700c632bbcc1f3c91fea3a863751c5de971ff9f646e78217b5
- 05 L b905cdaf137d54148ea9cece5c22e34c843103d7eebb061d8dc39754e4a1655d
- 06 R 7657903e5992a5a5892700745b6dac2d85ea0a14e53829b4f2e828d6de76f2b1
- 07 R d73956370e37392b92e632e8edd0e70f8554bd5536c5ad9e45c5183095f0b63a
- root 5f498266b9a458d83af5856d9826960b3fc05959fb683ae3de1e7d1777c2ef9b