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 EDUCATION - SCHOOLS DIVISION OF SORSOGON PROVI Award a ₱2.9M contract to DUAMON CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
4b5f5dc48ebce2da021cac6dcf038c67c33957e880745d6f02352dad8f78e5ff
Status:
Included and unchanged
Block:
#3,869 2,144 blocks after it
Position in block:
Transaction 82 of 269
Award day:
Sep 5, 2019 (7 yrs 2 mo ago)
Value:
₱2,887,746.51
Project:
Repair/Rehabilitation of 9 Classroom
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 #3,869 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 EDUCATION - SCHOOLS DIVISION OF SORSOGON PROVI awarded it to DUAMON CONSTRUCTION & SUPPLY on 2019-09-05.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 4b5f5dc48e…78e5ffnow …
- 2. Block Merkle root changedstored 22a6e9c08b…d13c68now …
- 3. Block #3869 hash changedstored 7ccf63f453…ea8cb2now …
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 268 records. Each step hashes the current value together with the sibling shown.
- leaf 4b5f5dc48ebce2da021cac6dcf038c67c33957e880745d6f02352dad8f78e5ff
- 01 R 4c11e324a0273a7c4ec85114da6cd5f5924ba02aea4da462bde80af5dbca7959
- 02 L 78fadf2c67322880d824d23f1e7a0eabc6d1f017c01cc33ebd6c88c3f047695b
- 03 R 44f0af92803182a446e20b3940c3398d2af1453afb62e1f4968b39b078176d4e
- 04 R 4d0f8c4bc1f67ac63f3c80ff86aa2c6f0cb11fdb429563d69aceb293858879eb
- 05 L b3ece86d52df452e4ab4ac69e9459ccf971826324546fe71109b281db61bc49e
- 06 R 120def1483d9938090576523a7e05d4981a6306a2c5c046748874bc95f8c685a
- 07 L 47dcac28f77f5ea72dadb785a4e87ecf4e234cad206ad36ede806550ce71b47e
- 08 R a70583dfa526d3235f3831970fc61d493f43508ff7e6289aeb1e992939af2127
- 09 R a3a187dc62fb988206dfb35f1a60dc4e5b38ba19cdaaf32eb9941b7ef819a4c6
- root 22a6e9c08be14d20bca4090ecc86cc01fde6c520d350080c7214ac7407d13c68