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 ₱2.1M contract to PRC CONSTRUCTIONCities
Transaction hash:
8a09dc653d3e2f47252669868dbac970e24ed8e3bbb6f568c68ebd6b4ea9efa6
Status:
Included and unchanged
Block:
#3,424 2,589 blocks after it
Position in block:
Transaction 154 of 272
Award day:
May 21, 2018 (8 yrs 5 mo ago)
Value:
₱2,063,234.72
Project:
Road Widening
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 #3,424 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 PRC CONSTRUCTION on 2018-05-21.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 8a09dc653d…a9efa6now …
- 2. Block Merkle root changedstored baeca8f43d…b8f81bnow …
- 3. Block #3424 hash changedstored b071376e22…71a3a5now …
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 271 records. Each step hashes the current value together with the sibling shown.
- leaf 8a09dc653d3e2f47252669868dbac970e24ed8e3bbb6f568c68ebd6b4ea9efa6
- 01 R 8a9a691d4e373fa2c2b6c348c89a9abd8587d2e098bf8933edf9425284bbd92b
- 02 L e0f07c84a16cded591e0091a4879b9e2730b195973990eea25679727f4f9d6d9
- 03 R 8cfcab3ab3ef028be87d24dcbe6b45733b0660c46025e199edf309a953f2b967
- 04 L 3577624fd1d27ea11268e5cc6bb0f15f33711f0352709addbe3ae1bcda013894
- 05 L 2bfdd38aae54a7ac756ee88f5468268c6d08b89837d0bf5e0e2fa108bd150898
- 06 R 46a331723751fe4c7a71bc8e5abcd8acfce0b094e3e8c84325bf4e9af3b78845
- 07 R 9fe53bfa9cfca48476c4b5f0c591bb7516a02a60c8b01efe283e55cf1a50c154
- 08 L 603aa697b66dc319595aff8e2f836dd1c0dbc6eb70611e7f0a6161079a964e0e
- 09 R fcce3e301bf83eaa040ab010a6108b1f6fec968b81eb72724962da860ee7fa3d
- root baeca8f43d25c05fbc24d33d6698801b9c0641ec0dc4c7e30d11672d34b8f81b