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 BENGUET Award a ₱2.0M contract to TANGAYAB CONSTRUCTION SERVICESProvinces
Transaction hash:
aff28bee00fe67f2899b5bdb487a5818f3175eb4b914fbb8c2c7b5a3cdeba579
Status:
Included and unchanged
Block:
#4,933 1,080 blocks after it
Position in block:
Transaction 167 of 258
Award day:
Sep 30, 2022 (4 yrs 1 mo ago)
From:
Value:
₱1,999,999.00
Project:
CONSTRUCTION OF PULAG MULTI-PURPOSE BUILDING AT GA
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 #4,933 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 BENGUET awarded it to TANGAYAB CONSTRUCTION SERVICES on 2022-09-30.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 Benguet 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 aff28bee00…eba579now …
- 2. Block Merkle root changedstored 2e51722a68…3ec046now …
- 3. Block #4933 hash changedstored 3da0629f8a…896411now …
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 257 records. Each step hashes the current value together with the sibling shown.
- leaf aff28bee00fe67f2899b5bdb487a5818f3175eb4b914fbb8c2c7b5a3cdeba579
- 01 L afd877154bfc7d46751efe7d430055edf082709cde3b47c37c8df3027ca2190c
- 02 L 1e13aba7e6c10afecdc488f6341594332fb3b9d7868d0a2f6e36cfc4f13bb7fa
- 03 L f43f85da303b33174e9eda47952a26705b6a952bb37bc41880cd928a4b5e9722
- 04 R c7d7f6465bc2fdd14de7918210aac24adc63d3735789160ebe7b264bde09406b
- 05 R debc71478aba292f2c40f4d17992c8127694822d3b84f8423386aea41368e094
- 06 L 4ef6da2efe251916d06488b1eb8a345930718216059356596a5748a5babc014e
- 07 R 09a9703657c78a683710543415dfa092f23e85194ba3ac7077653e930d69fe06
- 08 L 34ab24f926784a315b4250acc0b72feb6b61ab34f24330f43a8fa3ef72a69246
- 09 R a0f631dc9513b3d1fa7d8b4660252dbaa2a49ac9bfee2455bc8ed3b189e68311
- root 2e51722a68377373a2e8c9801847cb41e66322f56f4ea7ad4b775ea9bd3ec046