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 DAVAO OCCIDENTAL Award a ₱4.5M contract to AL HANDASA CONSTRUCTIONProvinces
Transaction hash:
4802f7cde4ab2f00d42c33bb404d59f790273d4c9c489a486bad97532f9fff66
Status:
Included and unchanged
Block:
#3,569 2,444 blocks after it
Position in block:
Transaction 110 of 378
Award day:
Oct 22, 2018 (8 yrs ago)
Value:
₱4,470,577.40
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 #3,569 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 DAVAO OCCIDENTAL awarded it to AL HANDASA CONSTRUCTION on 2018-10-22.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 Davao Occidental gave a "unmodified" 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 4802f7cde4…9fff66now …
- 2. Block Merkle root changedstored f014c136f5…4f754dnow …
- 3. Block #3569 hash changedstored c276e633f0…8d89bbnow …
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 377 records. Each step hashes the current value together with the sibling shown.
- leaf 4802f7cde4ab2f00d42c33bb404d59f790273d4c9c489a486bad97532f9fff66
- 01 R 48848182079c70f5b123b4cb57243e4b6c67b934eca13527d13a7484ef31442b
- 02 L a904123acc33afa468809c691c8f1fa451622248d60082f7898511b5256e2b29
- 03 L 34e303a947222c04b6dca6fc3e5354acc509ade0acaf35f62c420d322f93aa02
- 04 L 267918c6358e41548c34dcec71a57007dc33d19f2481c49df31fc1b44de9ef85
- 05 R ed37b4939df5f86ae755e7d50cd61091eb8a65903fb8a901e6ca0dd84bcbe24e
- 06 L 87234f94d74c656cbdc1524d7654a76660ef44921cee1e487d61122ab37f7f0b
- 07 L 9b0be0269a4c25e7b910fb485872d16d472bf60b93c69777fe2cac2154f5d129
- 08 R f6a9c0d9252b1c0391041f1a9dcfe06a0ca58e6fa3226c8d7c3c184a7691505f
- 09 R 5cd6b9aa5187f0f45532b161ffcd5d5c56767c22af36eaaea92f7f868ba8b51e
- root f014c136f5bf581495c34aa208dac06ce3f26e36c470ca05d23b2811444f754d