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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ROMBLON DEO Award a ₱9.1M contract to ALPHATEC CHEMICAL CORP.National agencies
Transaction hash:
88cd1506e2a33fcc597f44ccf27eb3d5e091d8a9c2c91b3f12e628e151c4ce2d
Status:
Included and unchanged
Block:
#3,780 2,233 blocks after it
Position in block:
Transaction 166 of 310
Award day:
Jun 4, 2019 (7 yrs 5 mo ago)
Value:
₱9,083,107.56
Project:
Retrofitting/Strengthening of Permanent Bridge
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 #3,780 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ROMBLON DEO awarded it to ALPHATEC CHEMICAL CORP. on 2019-06-04.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 88cd1506e2…c4ce2dnow …
- 2. Block Merkle root changedstored 363e6ef591…b4382dnow …
- 3. Block #3780 hash changedstored 9ecf7f9ccf…404374now …
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 309 records. Each step hashes the current value together with the sibling shown.
- leaf 88cd1506e2a33fcc597f44ccf27eb3d5e091d8a9c2c91b3f12e628e151c4ce2d
- 01 R 88dca9dfcfa782fdfe3e9d6fcc02b9b825e94c602026e787721c9bdb1d78021a
- 02 L b72fb206183cebcf545e3b351a7d6578c948fcdc4571450e940a0f89a14fe2d3
- 03 L 84e681c01a1acf1e0b3d20b2cba328701e54f01af9f8ba3155c6322c959dcb81
- 04 R 4789ba5dfa24e2eb60b404e5bebb7bdb1be172eb8c561d575e5d59fa5183213d
- 05 R cee7d52208551cecf34e6eec53f61b36dd0f144ea1f5ecb1b3fbb585b26cf4e8
- 06 L f72d6073fe080fddc8b1522fdf0b1c02902e2df9404f90bc8e13c0480af2fc34
- 07 R 333cc61fe23e3b7415a5627e1fd4aed94f85adea697b1f63234d37c870c9dc1c
- 08 L 711bab95c00175e8399ab4357e5f846ce8984af05231ac701534ae421d0489be
- 09 R eebee34a74ea432ba07c291f2925a64c6963e745dabaf9bd025d3f35a3b5f9b7
- root 363e6ef59179a8b9e13e0532e6298e54a48ce820f82668a7c754187b72b4382d