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 TACLOBAN, LEYTE Award a ₱4.9M contract to LANGLI BUILDERS AND CONSTRUCTION SUPPLYCities
Transaction hash:
2ed5d69f38dfd6e91623de978833fd574be0347f5578e9a0aa8d50345ff8b4d4
Status:
Included and unchanged
Block:
#5,861 152 blocks after it
Position in block:
Transaction 89 of 523
Award day:
May 26, 2025 (1 yr 5 mo ago)
Value:
₱4,885,088.71
Project:
Construction Projects
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 #5,861 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 TACLOBAN, LEYTE awarded it to LANGLI BUILDERS AND CONSTRUCTION SUPPLY on 2025-05-26.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 Tacloban 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 2ed5d69f38…f8b4d4now …
- 2. Block Merkle root changedstored ef76afa41d…b23d13now …
- 3. Block #5861 hash changedstored fa462f9995…1bcc22now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 522 records. Each step hashes the current value together with the sibling shown.
- leaf 2ed5d69f38dfd6e91623de978833fd574be0347f5578e9a0aa8d50345ff8b4d4
- 01 L 2e73e65c2fdbb598e9237fa725203e8972a551bb7d960a847e156cc72e9d6184
- 02 R 768144a60001b0662035bcbc06484489ac084b4185348a75bfcfcc544b6ebd42
- 03 R b7ec246cfc6ff8300ee7b0e9af5364d2f49b94d4f67e8ccfe0ea1a029f0b069c
- 04 L fe3593a5bde31570af2fba7cd2f992ef34223b058269a66375613235e2da0fc2
- 05 L c663730b11362a8d3be1b2396eacb76d49f1a2f0b98c68f26981b659a715286f
- 06 R c4f8208fdeb8e743672ec10afb9166a68b18bc66dcd62323eb12b69a797ffdce
- 07 L 20b837f66d3b25a1dc0502c400fb5f9f3985e5ed512bb174a54fd90a7a387abf
- 08 R 6541f8490121413cb8b45d84f57391430bcba03cac09859f73f6a4b105e08f6d
- 09 R 8180b57fe0afafeaa6bfb6e0fefe9a51cc35796bd8067c7a1590f599c90298b8
- 10 R c18ae1cb2945494d659de697a747ee3445aed72b905149e6429e5501d3ba4799
- root ef76afa41d106f4bd1ca99f4ab841866bd2be2f3be4b2ce45c470e9b6eb23d13