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 - NORTH METRO MANILA Award a ₱7.8M contract to BLACKRAM BUILDERS, INC.National agencies
Transaction hash:
35bdbddce67b6fe12270df83baa4627a0e21bf855e1a2dd915ede4f92e174e21
Status:
Included and unchanged
Block:
#3,076 2,937 blocks after it
Position in block:
Transaction 52 of 268
Award day:
May 15, 2017 (9 yrs 5 mo ago)
Value:
₱7,786,318.30
Project:
Local Infrastructure Program
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 #3,076 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)DPWH lists the funding source as "Regular Infra - Flood Control: Construction - Drainage (e.g., Closed and Open Conduits, Spillway), Roads: Rehabilitation - PCCP, Water Supply (Level 2 & 3): Construction (Piped Water with Communal/Private Water Point)". The exact UACS line is not given.Partly
- 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 - NORTH METRO MANILA awarded it to BLACKRAM BUILDERS, INC. on 2017-05-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17OE0049: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2017-10-25). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 35bdbddce6…174e21now …
- 2. Block Merkle root changedstored 174a124299…2344b3now …
- 3. Block #3076 hash changedstored d340d4ee8e…049c74now …
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 267 records. Each step hashes the current value together with the sibling shown.
- leaf 35bdbddce67b6fe12270df83baa4627a0e21bf855e1a2dd915ede4f92e174e21
- 01 R 36515f2d976b423589da8cbae78e1c55bd1a7d4715cccf910d9f7acf7cd7788f
- 02 R 2a4a9e658dde20605dd326f91e9d5fa36339e12e12d25c0e3d01f3ab8b722362
- 03 L 9f5010d7aeda9dc5edc4df1ea83384715c953584cb10693d922936ab34320fb3
- 04 R 1611a4906474ddf528259fc3c96a671a0429dc607e4411ca65ab7f1f6bb88328
- 05 L 5e9162c0d7a7ab7b0b4752afab0c00ae35124b8c5bfdde096e47c364ba061de6
- 06 L da5afe704022b37f95e29a888cfef8de003bd142e05bc4f8d9da6498b901aff8
- 07 R 9a1b05630eca251cb91b9b06450da014e6d1fc9fa99c93e45516b64a01867423
- 08 R 979754bdfab32d69bfca348b795ac1ce241e04e2d5d60f580422967624cbb404
- 09 R 39b2e95ffa59c25641d2f9eb9bfb341624e66db78c7a679538cc18b5a47401d7
- root 174a12429902d30b5433fc21f999aa7eaf94b230886ebb51eda3533b012344b3