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 TUGUEGARAO, CAGAYAN Award a ₱7.6M contract to K. URBINA CONSTRUCTIONCities
Transaction hash:
d431ff06ee559715d4edd33fadf119bb4b6213668b2ef0b043eb4f940be1ae6e
Status:
Included and unchanged
Block:
#4,612 1,401 blocks after it
Position in block:
Transaction 252 of 311
Award day:
Oct 28, 2021 (5 yrs ago)
Value:
₱7,601,386.40
Project:
CONSTRUCTION OF FOUR (4) CLASSROOMS PALLUA WEST
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 #4,612 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 TUGUEGARAO, CAGAYAN awarded it to K. URBINA CONSTRUCTION on 2021-10-28.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 Tuguegarao City 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 d431ff06ee…e1ae6enow …
- 2. Block Merkle root changedstored 2a1bb8e0ca…707eb9now …
- 3. Block #4612 hash changedstored d713f58114…2bd467now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 310 records. Each step hashes the current value together with the sibling shown.
- leaf d431ff06ee559715d4edd33fadf119bb4b6213668b2ef0b043eb4f940be1ae6e
- 01 R d4d4a354933f6aad6e3b1d28019743cdea5cb773d21c77af062899808673eccc
- 02 R a7c2dceda0ad888aeada9f2ab8b597ddb51d172c0e3e0ae788de48ee43034638
- 03 L a65d7458692fdd881469c732f66772c43a591baffc62972b47d3525172c30840
- 04 L f2b56073e5411ba9049454094a5bcb58bc454eba70fb5df94f1a2d2e990c4c13
- 05 L 9ca97e95fc79577ec6598c002169cfa5060544889f1930b6858145af26afccf1
- 06 L 8be22efb940928525ca9e5d809273aba927cfd0d810de8af8b8e9e7e786be6c2
- 07 L 17955bf00152a5e55f91095a31b2df795df51f113a83d2b8b47b981d408e8f3b
- 08 L dc0099c4e05d45050821f0411afc21e7397cab1d68481fd1d4bc5e6a37abdc3d
- 09 R d87d34e3861f85899c6cc82309b294cf528b887833dec0e891533e596c0016d5
- root 2a1bb8e0ca8bdaaf8c57be8cf931b9d0fe45b880236e287b3c30508310707eb9